Manley Performance

Manley Chrysler 440-1 Exhaust Valve Kit - 1.810in Head Dia. 5.369in O/A Length, 0.3415in Stem - 11813-8

Valves

SKUman11813-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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 Push Rod - 5/16 Dia. - 8.100 Length - 0.120 Wall - 4130 Chrome Moly - Swedged End - Set of 16 - 25241-16

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Manley Performance

Manley Push Rod - 5/16 Dia. - 8.100 Length - 0.120 Wall - 4130 Chrome Moly - Swedged End - Set of 16 - 25241-16

Push Rods

SKUman25241-16

Manley Performance Pushrods are engineered to deliver uncompromising strength, stiffness, and valvetrain stability in today’s high-performance engines. Manufactured from premium materials and precision heat-treated for maximum durability, Manley pushrods are designed to...

$308.06

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Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8

Free shipping

Manley Performance

Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8

Valves

SKUman11920-8

Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response, power, and durability, making them the choice...

$1,490.75

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Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8

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Manley Performance

Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8

Valves

SKUman11904-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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 Ford 351 Cleveland Exhaust Valve Kit - 1.655in Head Dia. 5.067in O/A Length, 0.3415in Stem - 11807-8

SaleFree shipping

Manley Performance

Manley Ford 351 Cleveland Exhaust Valve Kit - 1.655in Head Dia. 5.067in O/A Length, 0.3415in Stem - 11807-8

Valves

SKUman11807-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

Only 4 left

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Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.433in O/A Length, 0.3720in Stem - 11536-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.433in O/A Length, 0.3720in Stem - 11536-8

Valves

SKUman11536-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

Only 4 left

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Manley Chevrolet Big Block Intake Valve Kit - 2.325in Head Dia. 5.509in O/A Length, 0.3415in Stem - 11838-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Intake Valve Kit - 2.325in Head Dia. 5.509in O/A Length, 0.3415in Stem - 11838-8

Valves

SKUman11838-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

Only 2 left

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Manley Push Rod - 7/16 Dia. - 10.300 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8 - 25105-8

Sale

Manley Performance

Manley Push Rod - 7/16 Dia. - 10.300 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8 - 25105-8

Push Rods

SKUman25105-8

Manley Performance Pushrods are engineered to deliver uncompromising strength, stiffness, and valvetrain stability in today’s high-performance engines. Manufactured from premium materials and precision heat-treated for maximum durability, Manley pushrods are designed to...

$181.82~~$191.39~~ Save $9.57

In stock

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Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8

Free shipping

Manley Performance

Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8

Valves

SKUman11921-8

Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response, power, and durability, making them the choice...

$1,490.75

Only 2 left

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Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11741-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11741-8

Valves

SKUman11741-8

Discover the extraordinary capabilities of Manley Performance Products' 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

Only 2 left

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Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8

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Manley Performance

Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8

Valves

SKUman11873-8

Manley Race Series valves are meticulously 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

In stock

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Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8

SaleFree shipping

Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8

Valves

SKUman11862-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

Only 2 left

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Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921B-8

Free shipping

Manley Performance

Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921B-8

Valves

SKUman11921B-8

Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response, power, and durability, making them the choice...

$1,490.75

Only 4 left

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Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11811-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11811-8

Valves

SKUman11811-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

In stock

View details

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11815-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11815-8

Valves

SKUman11815-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

In stock

View details

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11856-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11856-8

Valves

SKUman11856-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

In stock

View details

Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.325in O/A Length, 0.3720in Stem - 11538-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.325in O/A Length, 0.3720in Stem - 11538-8

Valves

SKUman11538-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

Only 1 left

View details

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12741-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12741-8

Valves

SKUman12741-8

Discover the extraordinary capabilities of Manley Performance Products' 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

Only 2 left

View details

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 12743-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 12743-8

Valves

SKUman12743-8

Discover the extraordinary capabilities of Manley Performance Products' 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

Only 2 left

View details

Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8

SaleFree shipping

Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8

Valves

SKUman11830-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

Only 2 left

View details

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.211in O/A Length, 0.3415in Stem - 11740-8

SaleFree shipping

Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.211in O/A Length, 0.3415in Stem - 11740-8

Valves

SKUman11740-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and 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

Only 2 left

View details

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 6.450in O/A Length, 0.3415in Stem - 11597-8

SaleFree shipping

Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 6.450in O/A Length, 0.3415in Stem - 11597-8

Valves

SKUman11597-8

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

$514.08~~$685.44~~ Save $171.36

Only 4 left

View details

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8

Sale

Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8

Valves

SKUman12308-8

Manley Race Series valves are meticulously 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

Only 2 left

View details

Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8

Sale

Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8

Valves

SKUman11798-8

Manley Race Series valves are meticulously 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

Only 2 left

View details

Find the exact part

Manley Performance

Available parts

Manley Chrysler 440-1 Exhaust Valve Kit - 1.810in Head Dia. 5.369in O/A Length, 0.3415in Stem - 11813-8

Manley Push Rod - 5/16 Dia. - 8.100 Length - 0.120 Wall - 4130 Chrome Moly - Swedged End - Set of 16 - 25241-16

Manley Titanium Series Chevrolet Big Block Intake Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11920-8

Manley Chrysler 426 Hemi intake Valve Kit - 2.250in Head Dia. 5.424in O/A Length, 0.3085in Stem - 11904-8

Manley Ford 351 Cleveland Exhaust Valve Kit - 1.655in Head Dia. 5.067in O/A Length, 0.3415in Stem - 11807-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.433in O/A Length, 0.3720in Stem - 11536-8

Manley Chevrolet Big Block Intake Valve Kit - 2.325in Head Dia. 5.509in O/A Length, 0.3415in Stem - 11838-8

Manley Push Rod - 7/16 Dia. - 10.300 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8 - 25105-8

Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11741-8

Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem - 11873-8

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8

Manley Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief - 11921B-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11811-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 11815-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3415in Stem - 11856-8

Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.325in O/A Length, 0.3720in Stem - 11538-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12741-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem - 12743-8

Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.211in O/A Length, 0.3415in Stem - 11740-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 6.450in O/A Length, 0.3415in Stem - 11597-8

Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8

Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11798-8

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