Manley Race Master Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy - Set of 8 110025 MSD Retard Module Kits give

MSD Retard Module Kits give you a full selec

Grant Wheel to OE Column

436 lb/in Spring Rate

Viking / UMI Rear Coil-Overs

Drilling two 3/8" holes is required (no welding)

Manley Race Master Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy - Set of 8 110025 MSD Retard Module Kits giveProduct Description: Exhaust Valve Race Master 1. 880 in Head 0. 342 in Valve Stem 5. 422 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