Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy 110013 when using SCP pump you

when using SCP pump you must also use #SWE301-30058

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Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy 110013 when using SCP pump youProduct Description: Exhaust Valve Extreme Duty 1. 880 in Head 0. 342 in Valve Stem 5. 422 in Long Stainless Big Block Chevy Sold Individually Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown