Quick view Details Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 MSRP: $185.29 Now: $138.97 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 MSRP: $185.29 Now: $138.97 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8 MSRP: $405.66 Now: $304.25 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8 MSRP: $390.80 Now: $293.10 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem - 11859-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11307-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361 Exhaust Valve Kit - 1.810in Head Dia. 5.010in O/A Length, 0.3715in Stem - 11309-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8) - 11891-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361-383 2.140 Head Dia 4.873 OA L Dish Race Flo Intake Valves (Set of 8) - 11890-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 4.873in O/A Length, 0.3720in Stem - 11892-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.080in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11308-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.140in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11314-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 361intake Valve Kit - 2.180in Head Dia. 5.000in O/A Length, 0.3715in Stem - 11388-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 426 Hemi 1.900 Head .3100 Stem Standard Length Race Master Exhaust Valves (Set of 8) - 11901-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 426 Hemi Exhaust Valve Kit - 1.900in Head Dia. 4.855in O/A Length, 0.3075in Stem - 11315B-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.200in Head Dia. 5.405in O/A Length, 0.3085in Stem - 11902B-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Details Manley Performance Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-1/LS-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11675-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 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 Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $33.76 Now: $25.32 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPMThis Part... MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Race Series Stainless Steel Exhaust Valves 1.6in Dia. .341in Stem 5.065in L (Set of 8) - 11545-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8) - 11861-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 Manley?s Race Series valves are meticulously engineered 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 Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8) - 11522-8 Manley?s Race Series valves are meticulously engineered 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Single) - 11522-1 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Small Block 2.055in Dia .3415 Stem Dia Street Master Intake Valves (Set of 8) - 10754-8 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 Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8 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 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view
Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view