COMP Cams Valve Locks 7 Deg W/5.5MM Ste 629-100 4rGen4 PT4R-5-STD-CHEFXL-WHT

PT4R-5-STD-CHEFXL-WHT

Estate 1975 - 1977 Buick Century Special 1983 - 1985 Buick Century T-Type 1968 - 1979 Buick Electra 225 1968 - 1974 Buick Electra 225 Custom 1974 Buick Electra 225 Limited 1967 - 1973 Buick Electra Base 1967 Buick Electra Custom 1980 - 1985 Buick Electra Estate Wagon 1976 - 1985 Buick Electra Limited 1978 - 1985 Buick Electra Park Avenue 1985 Buick Electra T-Type 1970 - 1980 Buick Estate Wagon Base 1967 Buick Gran Sport Base 1970 - 1972 Buick GS Base 1968 - 1969 Buick GS 350 Base 1968 - 1969 Buick GS 400 Base 1970 - 1972 Buick GS 455 Base 1970 Buick GS 455 GSX 1968 - 1980 Buick LeSabre Base 1968 - 1986 Buick LeSabre Custom 1977 Buick LeSabre Custom Sport 1986 Buick LeSabre Estate Wagon 1979 - 1986 Buick LeSabre Limited 1974 Buick LeSabre Luxus 1978 - 1980 Buick LeSabre Sport 1973 - 1985 Buick Regal Base 1984 - 1985 Buick Regal Limited

lubrited cam face and heavy-duty snap ring

The mattress is over 2 inches thick

Equipped with high-speed and low-speed compression adjusters

COMP Cams Valve Locks 7 Deg W/5.5MM Ste 629-100 4rGen4 PT4R-5-STD-CHEFXL-WHTCOMP 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