Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.025in O/A Length, 0.3415in Stem - 10724-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11300-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11356-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11748-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10764-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11500-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11566-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11238-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10796-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11318-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11796-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 10798-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10554-8 MSRP: $126.82 Now: $95.12 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10768-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11568-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11732-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11331-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11577-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11799-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11579-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11333-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11721-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.265in O/A Length, 0.3415in Stem - 11757-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11725-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.365in O/A Length, 0.3415in Stem - 11759-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.465in O/A Length, 0.3415in Stem - 11511-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.540in O/A Length, 0.3110in Stem - 11397-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11349-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.640in O/A Length, 0.3110in Stem - 11399-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11540-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11716-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.785in Head Dia. 5.075in O/A Length, 0.3420in Stem - 11572-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10722-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10776-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11236-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11302-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11886-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),...
