Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.372 in Valve Stem - 5.354 in Long - Big Block Chevy - Set of 8 Frostbite Cooling 1963-1979 Chevrolet Corvette

1963-1979 Chevrolet Corvette

Improves engine acceleration and idle stability

250" 1018 mild steel CNC machined mounting points

Fuel Cell Filler Cap Assembly

GMC: K2500 99 - 00 5

Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.372 in Valve Stem - 5.354 in Long - Big Block Chevy - Set of 8 Frostbite Cooling 1963-1979 Chevrolet CorvetteProduct Description: Exhaust Valve Extreme Duty 1. 880 in Head 0. 372 in Valve Stem 5. 354 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