COMP Cams Rocker Arms CB 1.7 1/2inUltra

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.7 ratio, these rockers fit Chevrolet 396-454 with a 1/2" diameter stud. Fits, Fitments 1966 Chevrolet Caprice Base 1967 Chevrolet Caprice Base 1968 Chevrolet Caprice Base 1968 GMC K15/K1500 Pickup Base 1969 Chevrolet Caprice Base 1969 GMC K15/K1500 Pickup Base 1970 Chevrolet Corvette Base 1970 GMC C15/C1500 Pickup Base 1970 GMC C15/C1500 Suburban Base 1971 Chevrolet Bel Air Base 1971 Chevrolet Corvette Base 1971 GMC C15/C1500 Pickup Base 1971 GMC C15/C1500 Suburban Base 1972 Chevrolet Bel Air Base 1972 Chevrolet Corvette Base 1972 GMC C15/C1500 Pickup Base 1972 GMC C15/C1500 Suburban Base 1972 GMC Sprint Base 1972 GMC Sprint Custom 1973 Chevrolet Corvette Base 1973 GMC Jimmy Base 1974 Chevrolet Corvette Base 1974 GMC Jimmy Base 1975 Chevrolet C30 Cheyenne 1975 Chevrolet C30 Custom Deluxe 1975 Chevrolet C30 Scottsdale 1975 Chevrolet C30 Silverado 1976 Chevrolet C30 Cheyenne 1976 Chevrolet C30 Custom Deluxe 1976 Chevrolet C30 Scottsdale 1976 Chevrolet C30 Silverado 1976 GMC Jimmy Base 1976 GMC Jimmy High Sierra 1976 GMC Jimmy Sierra Classic 1976 GMC Jimmy Sierra Grande 1976 GMC K25 Suburban Base 1976 GMC K25 Suburban High Sierra 1976 GMC K25 Suburban Sierra Classic 1976 GMC K25 Suburban Sierra Grande 1977 Chevrolet C30 Cheyenne 1977 Chevrolet C30 Custom Deluxe 1977 Chevrolet C30 Scottsdale 1977 Chevrolet C30 Silverado 1977 GMC K25 Suburban Base 1977 GMC K25 Suburban High Sierra 1977 GMC K25 Suburban Sierra Classic 1977 GMC K25 Suburban Sierra Grande 1978 Chevrolet C30 Cheyenne 1978 Chevrolet C30 Custom Deluxe 1978 Chevrolet C30 Scottsdale 1978 Chevrolet C30 Silverado 1979 Chevrolet C30 Cheyenne 1979 Chevrolet C30 Custom Deluxe 1979 Chevrolet C30 Scottsdale 1979 Chevrolet C30 Silverado 1980 Chevrolet C30 Cheyenne 1980 Chevrolet C30 Custom Deluxe 1980 Chevrolet C30 Scottsdale 1980 Chevrolet C30 Silverado 1981 Chevrolet C30 Cheyenne 1981 Chevrolet C30 Custom 1981 Chevrolet C30 Deluxe 1981 Chevrolet C30 Scottsdale 1981 Chevrolet C30 Silverado 1982 Chevrolet C30 Custom 1982 Chevrolet C30 Scottsdale 1982 Chevrolet C30 Silverado 1983 Chevrolet C30 Custom 1983 Chevrolet C30 Scottsdale 1983 Chevrolet C30 Silverado 1984 Chevrolet C30 Custom 1984 Chevrolet C30 Scottsdale 1984 Chevrolet C30 Silverado 1985 Chevrolet C30 Custom 1985 Chevrolet C30 Scottsdale 1985 Chevrolet C30 Silverado 1986 Chevrolet C30 Custom 1986 Chevrolet C30 Scottsdale 1986 Chevrolet C30 Silverado 1987 Chevrolet R30 Custom Deluxe 1987 Chevrolet R30 Scottsdale 1987 Chevrolet R30 Silverado 1988 Chevrolet R30 Cheyenne 1988 Chevrolet R30 Custom Deluxe 1988 Chevrolet R30 Scottsdale 1988 Chevrolet R30 Silverado