COMP Cams Camshaft P8 296Ah-8Hydraulic: Rough idle, 3500 4000 stall, 10: 1 compression, 4. 10 or lower Gear ratio. This Part Fits: Year Make Model Submodel 1958 1971,1973 1979 Pontiac Bonneville Base 1976 1979 Pontiac Bonneville Brougham 1959 1970,1978 1979 Pontiac Bonneville Safari 1964 1967 Pontiac Catalina 2+2 1955 1971,1973 1979 Pontiac Catalina Base 1971 1972 Pontiac Catalina Brougham 1959 1979 Pontiac Catalina Safari 1962 1970 Pontiac Catalina Ventura 1955 1958 Pontiac