Billet Aluminum Pressure Plate Option $299.00 Billet Aluminum Pressure Plate Option quantity Add to cart SKU: SCA09 Category: Specialty Fits: GM-Pontiac Bonneville, Catalina, Executiv 428ci (1967 - 1969) GM-Pontiac Bonneville, Catalina, Executiv 455ci 3sp (1970 - 1971) GM-Pontiac Bonneville, Catalina, Executiv 400ci 11inch (1967 - 1970) GM-Pontiac Bonneville, Catalina, Executiv 389ci (1965 - 1966) GM-Pontiac Firebird, Trans Am V8 455ci 4Bbl 4sp (1973 - 1976) GM-Pontiac Firebird, Trans Am V8 400ci (1977 - 1979) GM-Pontiac Firebird, Trans Am V8 305ci 11in 26 spline (1981 - 1981) GM-Pontiac Grand Prix 455 4sp (1971 - 1972) GM-Pontiac LeMans 455ci (1971 - 1971) GM-Pontiac GTO 455ci 4sp (1971 - 1976) GM-Pontiac Tempest 455ci 4sp (1971 - 1973) GM-Pontiac Bonneville, Catalina, Executiv 455ci 4sp (1971 - 1972) Description Description Substantially reduces rotating mass, increases power and throttle response , adds infinite rebuildability