Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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 Add to Cart Compare Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 MSRP: $251.58 Now: $188.69 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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 Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 MSRP: $115.69 Now: $86.77 Add to Cart 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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 Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 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12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 Add to Cart 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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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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 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 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12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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 Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8) - 12348-8 MSRP: $251.58 Now: $188.69 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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 Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8) - 12345-8 MSRP: $251.58 Now: $188.69 Add to Cart Compare Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 MSRP: $31.44 Now: $23.58 Add to Cart Compare Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 MSRP: $415.30 Now: $311.48 Add to Cart Compare Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Details Manley Performance Manley Small Block Chevy 1.600in Head Dia Severe Duty Exhaust Valves (Set of 8) - 12337-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... 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Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12335-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... 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MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 1.675in Head Dia Race Master Exhaust Valves (Set of 8) - 12333-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... 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MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332HB-8 MSRP: $752.40 Now: $564.30 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332H-8 MSRP: $752.40 Now: $564.30 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... 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MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Intake Race Flo Valves (Set of 8) - 12332B-8 MSRP: $270.06 Now: $202.55 Add to Cart Compare Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... 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MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Details Manley Performance Manley 12-14 Chrysler Hemi 6.4L 2.180in Head Dia Race Master Exhaust Valves (Set of 8) - 12332-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... 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Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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Quick view Manley Performance Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $85.68 Now: $64.26 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... 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MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... 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MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Manley Performance Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... 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MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Manley Performance Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... 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MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $258.58 Now: $193.94 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. 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MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... 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MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... 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MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Manley Performance Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 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... MSRP: $50.18 Now: $37.64 Add to Cart Compare Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... 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MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... 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Quick view Manley Performance Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the 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 L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $415.30 Now: $311.48 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 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... MSRP: $51.91 Now: $38.93 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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... MSRP: $685.44 Now: $514.08 Add to Cart Compare Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8) - 12356-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands 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 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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... MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $925.59 Now: $694.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
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Quick view Manley Performance Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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... MSRP: $115.69 Now: $86.77 Add to Cart 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. MSRP: $270.06 Now: $202.55 Add to Cart 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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... MSRP: $415.30 Now: $311.48 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK 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... MSRP: $51.91 Now: $38.93 Add to Cart Compare Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view
