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Valves, Intake, Stainless Steel, 2.250 in. Diameter, .309 in. Stem, 5.424 in. Length, 426 Hemi, Each

Manley Severe Duty 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 are available with either undercut "Pro Flo" stems or straight stems.