Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8

Valves

SKUman12334-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for...

$311.48~~$415.30~~ Save $103.82

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Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8

Valves

SKUman11754-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for...

$311.48~~$415.30~~ Save $103.82

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Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11546-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11546-8

Valves

SKUman11546-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$188.69~~$251.58~~ Save $62.89

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Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8

Valves

SKUman11598-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for...

$311.48~~$415.30~~ Save $103.82

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Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11240-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11240-8

Valves

SKUman11240-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for...

$301.07~~$401.42~~ Save $100.35

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Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8

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Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8

Valves

SKUman11893-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$188.69~~$251.58~~ Save $62.89

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Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11810-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11810-8

Valves

SKUman11810-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$188.69~~$251.58~~ Save $62.89

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Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12326-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12326-8

Valves

SKUman12326-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$202.55~~$270.06~~ Save $67.51

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Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11336-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11336-8

Valves

SKUman11336-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$188.69~~$251.58~~ Save $62.89

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Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11326-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11326-8

Valves

SKUman11326-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$188.69~~$251.58~~ Save $62.89

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Manley Ford 4.6L Modular V8 Exhaust Valve Kit - 34.00mm Head Dia. 4.650in O/A Length, 0.2740in Stem - 11635-8

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Manley Performance

Manley Ford 4.6L Modular V8 Exhaust Valve Kit - 34.00mm Head Dia. 4.650in O/A Length, 0.2740in Stem - 11635-8

Valves

SKUman11635-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$202.55~~$270.06~~ Save $67.51

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Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem - 11527-8

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Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem - 11527-8

Valves

SKUman11527-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$188.69~~$251.58~~ Save $62.89

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Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11348-8

Sale

Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11348-8

Valves

SKUman11348-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$188.69~~$251.58~~ Save $62.89

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Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8

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Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8

Valves

SKUman11715-8

Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts,...

$514.08~~$685.44~~ Save $171.36

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Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11537-8

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Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11537-8

Valves

SKUman11537-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for...

$301.07~~$401.42~~ Save $100.35

Ships from manufacturer

View details

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8

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Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8

Valves

SKUman11869-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for...

$301.07~~$401.42~~ Save $100.35

Ships from manufacturer

View details

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8

SaleFree shipping

Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8

Valves

SKUman11389-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for...

$301.07~~$401.42~~ Save $100.35

Ships from manufacturer

View details

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10746-8

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10746-8

Valves

SKUman10746-8

Manley Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine. Manley Valve - Intake, Valve-SBC S/M 2.055,+.100. Features &...

$138.97~~$185.29~~ Save $46.32

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Manley GM 6.6L Duramax Diesel Intake Valve Kit - 1.338in Head Dia. 4.985in O/A Length, 0.2740in Stem - 11608-8

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Manley Performance

Manley GM 6.6L Duramax Diesel Intake Valve Kit - 1.338in Head Dia. 4.985in O/A Length, 0.2740in Stem - 11608-8

Valves

SKUman11608-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$202.55~~$270.06~~ Save $67.51

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Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8

SaleFree shipping

Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8

Valves

SKUman11865-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for...

$301.07~~$401.42~~ Save $100.35

Ships from manufacturer

View details

Manley GM 6.6L Duramax Diesel Exhaust Valve Kit 1.300in Head Dia. 4.985in O/A Length, 0.2735in Stem - 11609-8

SaleFree shipping

Manley Performance

Manley GM 6.6L Duramax Diesel Exhaust Valve Kit 1.300in Head Dia. 4.985in O/A Length, 0.2735in Stem - 11609-8

Valves

SKUman11609-8

Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts,...

$514.07~~$685.43~~ Save $171.36

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Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8

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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

Valves

SKUman12367-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$193.94~~$258.58~~ Save $64.64

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Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10721-8

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Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10721-8

Valves

SKUman10721-8

Manley Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine. Manley Valve - Exhaust, Valve-SBC S/F 1.500. Features &...

$138.97~~$185.29~~ Save $46.32

Ships from manufacturer

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Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8

Sale

Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8

Valves

SKUman11345-8

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Manley Valve...

$202.55~~$270.06~~ Save $67.51

Ships from manufacturer

View details

Find the exact part

Manley Performance

Available parts

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11546-8

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.010in O/A Length, 0.2740in Stem - 11240-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3715in Stem - 11893-8

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11810-8

Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12326-8

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11336-8

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11326-8

Manley Ford 4.6L Modular V8 Exhaust Valve Kit - 34.00mm Head Dia. 4.650in O/A Length, 0.2740in Stem - 11635-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem - 11527-8

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11348-8

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.165in O/A Length, 0.3415in Stem - 11715-8

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.036in O/A Length, 0.3415in Stem - 11537-8

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem - 11869-8

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11389-8

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10746-8

Manley GM 6.6L Duramax Diesel Intake Valve Kit - 1.338in Head Dia. 4.985in O/A Length, 0.2740in Stem - 11608-8

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem - 11865-8

Manley GM 6.6L Duramax Diesel Exhaust Valve Kit 1.300in Head Dia. 4.985in O/A Length, 0.2735in Stem - 11609-8

Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8

Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem - 10721-8

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem - 11345-8

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