Manley Severe Duty Pro Flo series performance valves are a great choice for your high performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts are XH-428) with chrome stems and hardened valve tips. Severe Duty series valves are made of superior materials, are fully machined and swirl polished, and offer improved flow with undercut "Pro Flo" stems.

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MANLEY Valve, Pro Flo, Exhaust, 1.81 in. Head Dia., 0.372 in. Stem Dia., 4.908 in. Length, For Chrysler, Each

MANLEY Valve, Pro Flo, Exhaust, 1.81 in. Head Dia., 0.372 in. Stem Dia., 4.908 in. Length, For Chrysler, Each

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MANLEY Valve, Pro Flo, Intake, 2.02 in. Head Dia., 0.372 in. Stem Dia., 5.05 in. Length, Set of 8

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