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, Severe Duty, Exhaust, 1.88 in. Head Dia, 0.3715 in. Stem Dia, 5.354 in. Length, BBC, Set of 8

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MANLEY Valve, Titanium, Intake, Bead Loc, 2.08 in. Head Dia, 0.311 in. Stem Dia, 5.14 in. Height, Each

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MANLEY Valve, Severe Duty, Intake, 2.25 in. Head Dia, 0.311 in. Stem Dia, 5.494 in. Length, For Chevrolet BB, Set of 8

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MANLEY Valve, Race Flo, Intake, 35.0 mm Head Dia, 6 mm Stem Dia, 103.13 mm Length, Set of 12

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MANLEY Valve, Titanium, Intake, Bead Loc, 2.08 in. Head Dia, 0.311 in. Stem Dia, 5.04 in. Height, Set of 8

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MANLEY Valve, Race Flo, Exhaust, 31.0 mm Head Dia, 6.54 mm Stem Dia, 109.7 mm Length, For Mitsubishi, Set of 8

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