COMP Cams Front Cover Chevy 396-454Eliminate timing cover flex which causes erratic ignition timing. Allow Camshaft to be replaced without disturbing the oil pan Seal. Simple endplay adjustment with dial indicator access hole. Integrated timing pointer simplifies ignition timing checks. Compatible with all water umps and most Gear drives. Catalog User 1 This Part Fits: Year Make Model Submodel 1963,1965 1975 Chevrolet Bel Air Base 1963,1965 1972 Chevrolet Biscayne Base 1972 Chevrolet