COMP Cams Valve Locks 7 Deg W/5.5MM Ste 629-100 4rGen4 Equipped with high-speed and low-speed

Equipped with high-speed and low-speed compression adjusters

Ceiling Window Yes

Base 1962 - 1967 Chevrolet Chevy II Base 1962 - 1968 Chevrolet Chevy II Nova 1964 - 1967 Chevrolet Chevy II Nova SS 1964 - 1977 Chevrolet El Camino Base 1975 - 1977 Chevrolet El Camino Classic 1977 Chevrolet El Camino Conquista 1968 - 1974 Chevrolet El Camino Custom 1968 - 1977 Chevrolet El Camino SS 1969 - 1970 Chevrolet Estate Base 1983 Chevrolet G10 Base 1981 - 1984 Chevrolet G10 Bonaventure 1975 - 1984 Chevrolet G10 Sportvan

All aluminum construction for lightweight functionality

COMP Cams Valve Locks 7 Deg W/5.5MM Ste 629-100 4rGen4 Equipped with high-speed and low-speedCOMP Cams Valve Locks 629 100 Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case. The cross section of material in the tang is not strong enough to withstand open spring loads of 1000 lbs. or more. The sole purpose of the tang is to temporarily locate the lock, retainer and spring relative to the valve until the taper of the retainer can nest around