Adjustable Timing Sets; Chevy 396-454 (w/ Thrust Bearing) Include induction hardened steel billet gears for bullet proof durability Feature infinitely adjustable camshaft sprocket, 6-degree maximum advance/retard 3 keyway crank sprocket for additional 4-degree incremental adjustability Pre-stretched, heat-treated double roller chain with heavy-duty large pin design; chain available separately Torrington roller trust bearing reduces friction Ideal for all street performance and race applicationsVehicle Fitments: Year Make Model Submodel 1963 - 1975 Chevrolet Bel Air Base 1963 - 1972 Chevrolet Biscayne Base 1973 Chevrolet Blazer Base 1972 Chevrolet Brookwood Base 1978 - 1980 Chevrolet C10 Big Ten 1975 - 1980 Chevrolet C10 Custom Deluxe, Custom, Cheyenne, Silverado, Scottsdale 1968 - 1974 Chevrolet C10 Pickup Base 1968 - 1974 Chevrolet C10 Suburban Base 1975 - 1980 Chevrolet C10 Suburban Silverado, Custom Deluxe, Scottsdale 1986 Chevrolet C20 Base 1975 - 1986 Chevrolet C20 Cheyenne, Scottsdale, Silverado 1981 - 1986 Chevrolet C20 Custom 1975 - 1980 Chevrolet C20 Custom Deluxe 1981 Chevrolet C20 Deluxe 1968 - 1974 Chevrolet C20 Pickup Base 1968 - 1974 Chevrolet C20 Suburban Base 1981 - 1986 Chevrolet C20 Suburban Custom 1975 - 1980 Chevrolet C20 Suburban Custom Deluxe 1981 Chevrolet C20 Suburban Deluxe 1975 - 1986 Chevrolet C20 Suburban Scottsdale, Silverado 1975 - 1982 Chevrolet C30 Base 1975 - 1981 Chevrolet C30 Cheyenne 1981 - 1986 Chevrolet C30 Custom 1975 - 1980 Chevrolet C30 Custom Deluxe 1981 Chevrolet C30 Deluxe 1975 - 1986 Chevrolet C30 Silverado, Scottsdale 1968 - 1974 Chevrolet C30 Pickup Base 1967 - 1972 Chevrolet Camaro Base, RS, Z28, SS 1966 - 1974 Chevrolet Caprice Base 1973 - 1976 Chevrolet Caprice Classic 1976 Chevrolet Caprice Classic Estate, Classic Landau 1975 - 1976 Chevrolet Caprice Classic Sport 1973 - 1974 Chevrolet Caprice Estate 1975 Chevrolet Caprice Estate Wagon 1967 - 1968 Chevrolet Chevelle 300 1967 - 1969 Chevrolet Chevelle 300 Deluxe 1967 - 1972 Chevrolet Chevelle Concours 1969 - 1972 Chevrolet Chevelle Concours Estate, Greenbrier 1965 - 1973 Chevrolet Chevelle Deluxe 1968 - 1972 Chevrolet Chevelle Nomad, Malibu 1965 - 1972 Chevrolet Chevelle SS, Base 1968 Chevrolet Chevy II Nova 1966 - 1974 Chevrolet Corvette Base 1966 - 1975 Chevrolet El Camino Base 1975 Chevrolet El Camino Classic 1968 - 1974 Chevrolet El Camino Custom 1968 - 1975 Chevrolet El Camino SS 1973 - 1974 Chevrolet G10 Van Base, Sportvan 1976 Chevrolet G20 Chevy Van, Beauville, Sportvan 1973 - 1974 Chevrolet G20 Van Base, Sportvan 1975 - 1976 Chevrolet G30 Hi-Cube, Sportvan, Chevy Van, Beauville 1973 - 1974 Chevrolet G30 Van Base, Sportvan 1963 - 1976 Chevrolet Impala Base 1976 Chevrolet Impala S, Custom Landau 1975 - 1976 Chevrolet Impala Sport, Custom 1965 - 1967 Chevrolet Impala SS 1976 - 1980 Chevrolet K10 Custom Deluxe, Cheyenne, Scottsdale, Silverado 1968 - 1974 Chevrolet K10 Pickup Base 1968 - 1972 Chevrolet K10 Suburban Base 1976 - 1980 Chevrolet K20 Silverado, Cheyenne, Scottsdale, Custom Deluxe 1968 - 1974 Chevrolet K20 Pickup Base 1973 Chevrolet K20 Suburban Base 1985 Chevrolet K20 Suburban Scottsdale, Custom, Silverado 1977 - 1981 Chevrolet K30 Cheyenne 1981 - 1986 Chevrolet K30 Custom 1977 - 1980 Chevrolet K30 Custom Deluxe 1981 Chevrolet K30 Deluxe 1977 - 1986 Chevrolet K30 Silverado, Scottsdale 1968 - 1974 Chevrolet K30 Pickup Base 1976 Chevrolet K5 Blazer Base 1976 - 1978 Chevrolet K5 Blazer Cheyenne 1977 - 1978 Chevrolet K5 Blazer Custom Deluxe 1978 Chevrolet K5 Blazer Silverado 1970 - 1972 Chevrolet Kingswood Estate, Base 1973 - 1975 Chevrolet Laguna Base 1973 Chevrolet Laguna Estate 1975 Chevrolet Laguna S3 1974 Chevrolet Laguna Type S-3 1966 - 1975 Chevrolet Malibu Base 1974 - 1975 Chevrolet Malibu Classic 1975 Chevrolet Malibu Classic Estate 1973 - 1974 Chevrolet Malibu Estate 1970 - 1974 Chevrolet Monte Carlo Base 1973 - 1974 Chevrolet Monte Carlo Landau 1973 - 1975 Chevrolet Monte Carlo S 1969 - 1970 Chevrolet Nova Base 1988 Chevrolet R30 Cheyenne 1987 - 1988 Chevrolet R30 Scottsdale, Silverado, Custom Deluxe 1989 Chevrolet R3500 Silverado, Scottsdale, Cheyenne 1970 - 1972 Chevrolet Townsman Base 1988 Chevrolet V30 Cheyenne 1987 - 1988 Chevrolet V30 Scottsdale, Silverado, Custom Deluxe 1989 Chevrolet V3500 Scottsdale, Cheyenne, Silverado 1975 - 1978 GMC C15 Base, Sierra Classic, High Sierra, Sierra Grande 1977 - 1978 GMC C15 Heavy Half 1977 GMC C15 Indy Hauler 1978 GMC C15 Street Coupe 1975 - 1978 GMC C15 Suburban Sierra Grande, High Sierra, Sierra Classic, Base 1968 - 1974 GMC C15/C1500 Pickup Base 1968 - 1974 GMC C15/C1500 Suburban Base 1979 - 1980 GMC C1500 Street Coupe, Heavy Half, Sierra Classic, High Sierra, Sierra Grande, Base 1979 - 1980 GMC C1500 Suburban Sierra Classic, High Sierra, Base, Sierra Grande 1975 - 1978 GMC C25 Sierra Classic, Sierra Grande, High Sierra, Base 1975 - 1978 GMC C25 Suburban High Sierra, Sierra Classic, Sierra Grande, Base 1968 - 1974 GMC C25/C2500 Pickup Base 1968 - 1974 GMC C25/C2500 Suburban Base 1979 - 1986 GMC C2500 High Sierra, Base, Sierra Classic 1979 - 1982 GMC C2500 Sierra Grande 1979 - 1986 GMC C2500 Suburban High Sierra, Sierra Classic, Base 1979 - 1982 GMC C2500 Suburban Sierra Grande 1975 - 1978 GMC C35 Sierra Grande, High Sierra, Base, Sierra Classic 1968 - 1974 GMC C35/C3500 Pickup Base 1979 - 1986 GMC C3500 High Sierra, Base, Sierra Classic 1979 - 1982 GMC C3500 Sierra Grande 1975 - 1976 GMC G25 Rally STX, Rally, Vandura 1976 GMC G35 Magnavan, Rally Camper Special, Rally, Vandura Special, Vandura, Rally STX 1973 - 1976 GMC Jimmy Base 1976 GMC Jimmy High Sierra, Sierra Grande, Sierra Classic 1976 GMC K15 Base, Sierra Classic, Sierra Grande, High Sierra 1968 - 1969 GMC K15/K1500 Pickup Base 1968 - 1974 GMC K15/K1500 Suburban Base 1979 - 1980 GMC K1500 High Sierra, Sierra Classic, Sierra Grande, Base 1976 - 1978 GMC K25 Base, High Sierra, Sierra Grande, Sierra Classic 1976 - 1977 GMC K25 Suburban Base, Sierra Classic, High Sierra, Sierra Grande 1968 - 1974 GMC K25/K2500 Pickup Base 1968 - 1974 GMC K25/K2500 Suburban Base 1968 - 1974 GMC K35/K3500 Pickup Base 1979 - 1986 GMC K3500 Base, Sierra Classic, High Sierra 1979 - 1982 GMC K3500 Sierra Grande 1987 - 1989 GMC R3500 Sierra Classic, Base, High Sierra 1971 - 1975 GMC Sprint Base 1972 - 1974 GMC Sprint Custom 1975 GMC Sprint SP, Classic, High Sierra 1987 - 1989 GMC V3500 High Sierra, Sierra Classic, Base
