Do you have a boosted, high-heat, high-horsepower engine? Manley offers custom race valves for your high performance engine. These Race Series Gen II custom valves are manufactured from XH-426 (exhaust) and NK-842 (intake) materials with hard tips and hardened grooves. They are tailored to length, groove position, head diameter, margin, and other specifications that you request when ordering. So, whether you're building an engine or are a serious racer, Manley is committed to seeing that you're there at the finish.

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MANLEY Valve, Race Flo, Intake, 33.5 mm Head Dia, 5.5 mm Stem Dia, 102.40 mm Length, For Honda, Each

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MANLEY Valve, Extreme/Severe Duty, Intake, 1.378 in. Head Dia, 0.2355 in. Stem Dia, 4.8 in. Length, Gen II, Each

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MANLEY Valve, Race Master, Exhaust, 1.75 in. Head Dia, 0.3715 in. Stem Dia, 5.105 in. Length, For Chevrolet 409, Each

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MANLEY Valve, Pro Flo, Intake, 2.205 in. Head Dia, 0.3133 in. Stem Dia, Hollow Stem, 5.2 in. Length, For Chevrolet LS7, Set of 8

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MANLEY Valve, Race Master, Exhaust, Bead Loc, 1.625 in. Head Dia, 0.3125 in. Stem Dia, 4.925 in. Length, For Chrysler HEMI, Set of 8

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MANLEY Valve, Severe Duty, Intake, 2.055 in. Head Dia, 0.3415 in. Stem Dia, 5.14 in. Length, Set of 8

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