Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy - Set of 8 11815-8 H76503F Opening Vacuum 8

Opening Vacuum 8

1991-1991 Buick Commercial Chassis

1966-1974 Chevrolet Caprice

even at temperatures in excess of 400F (204C)

Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy - Set of 8 11815-8 H76503F Opening Vacuum 8Product Description: Exhaust Valve Severe Duty 1. 880 in Head 0. 342 in Valve Stem 5. 522 in Long Stainless Big Block Chevy Set of 8 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 University, our