Manley Severe Duty Exhaust Valve - 1.900 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy - Set of 8 11847-8 H764001XXL Multiple 1/8-27 NPT inlet and

Multiple 1/8-27 NPT inlet and bleed screw locations allow for versatile mounting positions

these locators use a locating shoulder to center the seat and hold the spring

making it the obvious choice

ZA Alloy Dial With Dual Seals Keep Contaminants Out

NO Dye Carcinogens

Manley Severe Duty Exhaust Valve - 1.900 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy - Set of 8 11847-8 H764001XXL Multiple 1/8-27 NPT inlet andProduct Description: Exhaust Valve Severe Duty 1. 900 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