Head Gaskets

The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block. This Part Fits: Year Make Model Submodel 1980-1985 Avanti II Base 1985 Avanti II GT 1980-1981 Buick Century Base 1980-1981 Buick Century Estate 1980-1981 Buick Century Limited 1980-1981 Buick Century Sport 1980-1981…