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 Shock Dyno

Shock Dyno

885" ID Beehive valve spring

and biodiesel

210" overall head height and

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 Shock DynoProduct 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