Engine Camshaft

Cam Type:	s
camlift_in:	.260
ET_Exhaust Valve Lash:	Hyd.
ET_Intake Valve Lash:	Hyd.
Exhaust Duration at .050 inch Lift:	202
Exhaust Lobe Centerline:	116
Exhaust Valve Lift:	.273
Exhaust Valve Lift with Factory Rocker Arm Ratio:	.409
Intake Duration at .050 Inch Lift:	194
Intake Lobe Centerline:	108
Intake Valve Lift with Factory Rocker Arm Ratio:	.390
Lifter Type:	Hyd.
Overlap:	40
sort:	ES274

• Elgin: E-274-S
• Fed. Mogul: CS-274
• Mahle Clevite: 229-1274
• Melling: CCS-2
• Melling: MC1336

Fits what vehicles: 1957-1975 Chevrolet Bel Air, 1957-1982 Chevrolet Corvette, 1957-1958 Chevrolet Del Ray, 1957-1961 Chevrolet Nomad, 1957 Chevrolet One-Fifty Series, 1957 Chevrolet Two-Ten Series, 1957-1969 Pontiac Laurentian, 1958-1972 Chevrolet Biscayne, 1984-1990 Chevrolet Corvette, 1958-1985 Chevrolet Impala, 1958 Chevrolet Yeoman, 1959-1961 Chevrolet Brookwood, 1959-1961 Chevrolet Kingswood, 1959-1961 Chevrolet Parkwood, 1962-1969 Pontiac Parisienne, 1962-1969 Pontiac Strato-Chief, 1963-1973 Chevrolet C10 Pickup, 1963-1974 Chevrolet C20 Pickup, 1963-1974 Chevrolet C30 Pickup, 1963-1968 Chevrolet Chevy II, 1963-1974 Chevrolet K10 Pickup, 1963-1974 Chevrolet K20 Pickup, 1963-1966 Chevrolet Suburban, 1963 GMC 1000 Series, 1963 GMC 1500 Series, 1963 GMC 2500 Series, 1963-1966 GMC 3000, 1963-1966 GMC 3500, 1963-1965 GMC Suburban, 1964-1973 Chevrolet Chevelle, 1964-1967 Chevrolet Malibu, 1965-1971 Pontiac Acadian, 1969-1972 Chevrolet Brookwood, 1966-1982 Chevrolet Caprice, 1966-1979 Chevrolet El Camino, 1969-1972 Chevrolet Kingswood, 1967-1973 Chevrolet C10 Suburban, 1967-1986 Chevrolet C20 Suburban, 1967-1983 Chevrolet Camaro, 1967-1974 Chevrolet G20 Van, 1967-1986 Chevrolet K10 Suburban, 1967-1973 Chevrolet K20 Suburban, 1967-1973 GMC C15/C1500 Pickup, 1967-1974 GMC C15/C1500 Suburban, 1967-1974 GMC C25/C2500 Pickup, 1967-1974 GMC C25/C2500 Suburban, 1967-1974 GMC C35/C3500 Pickup, 1967-1974 GMC K15/K1500 Pickup, 1967-1974 GMC K15/K1500 Suburban, 1967-1974 GMC K25/K2500 Pickup, 1967-1974 GMC K25/K2500 Suburban, 1985-1990 Chevrolet Caprice, 1975-1980 Chevrolet K20 Suburban, 1968-1974 Chevrolet K30 Pickup, 1968-1974 GMC K35/K3500 Pickup, 1969-1974 Chevrolet Blazer, 1983-1984 Chevrolet El Camino, 1969-1970 Chevrolet Estate, 1973-1980 Chevrolet Malibu, 1969-1979 Chevrolet Nova, 1969-1972 Chevrolet Townsman, 1987-1990 Chevrolet Camaro, 1970-1974 Chevrolet G10 Van, 1970-1974 Chevrolet G30 Van, 1982-1983 Chevrolet Malibu, 1970-1977 Chevrolet Monte Carlo, 1970-1974 GMC G35/G3500 Van, 1970-1991 GMC Jimmy, 1971-1977 GMC Sprint, 1971-1973 Pontiac Ventura, 1972-1975 Pontiac Grandville, 1973-1976 Chevrolet Laguna, 1982-1983 Chevrolet Monte Carlo, 1977 Pontiac Ventura, 1975-1986 Chevrolet C10, 1975-1987 Chevrolet C20, 1975-1986 Chevrolet C30, 1975-1993 Chevrolet G10, 1975-1995 Chevrolet G20, 1975-1995 Chevrolet G30, 1975-1986 Chevrolet K10, 1975-1986 Chevrolet K20, 1975-1986 Chevrolet K5 Blazer, 1975 Chevrolet P10, 1975-1989 Chevrolet P20, 1975-1995 Chevrolet P30, 1975-1978 GMC C15 Suburban, 1975-1978 GMC C25, 1975-1978 GMC C25 Suburban, 1975-1978 GMC C35, 1975-1978 GMC G15, 1975-1978 GMC G25, 1975-1978 GMC G35, 1975-1978 GMC K15, 1975-1978 GMC K15 Suburban, 1975-1978 GMC K25, 1975-1978 GMC K25 Suburban, 1975-1978 GMC P25, 1975-1978 GMC P35, 1975 Oldsmobile Custom Cruiser, 1975 Oldsmobile Delta 88, 1975 Pontiac Bonneville, 1975 Pontiac Catalina, 1975 Pontiac Grand Am, 1975 Pontiac Grand LeMans, 1975-1976 Pontiac Grand Prix, 1983 Pontiac Parisienne, 1977-1978 Chevrolet P10, 1976 GMC C15, 1977-1985 Oldsmobile Custom Cruiser, 1977 Oldsmobile Delta 88, 1977-1979 Buick Century, 1977-1980 Buick Estate Wagon, 1977-1979 Buick Skylark, 1977-1986 Chevrolet K30, 1978 GMC C15, 1977-1978 GMC K35, 1977-1979 Oldsmobile Omega, 1978-1979 Pontiac Grand LeMans, 1977-1979 Pontiac Phoenix, 1978-1979 GMC Caballero, 1978-1979 Oldsmobile Cutlass, 1978 Oldsmobile Cutlass Supreme, 1978-1979 Pontiac Firebird, 1978-1979 Pontiac LeMans, 1979-1985 Cadillac Fleetwood, 1979-1986 GMC C1500, 1979-1986 GMC C2500, 1979-1986 GMC C2500 Suburban, 1979-1986 GMC C3500, 1979-1993 GMC G1500, 1979-1995 GMC G2500, 1979-1995 GMC G3500, 1979-1986 GMC K1500, 1979-1986 GMC K1500 Suburban, 1979-1986 GMC K2500, 1979-1986 GMC K2500 Suburban, 1979-1986 GMC K3500, 1979-1989 GMC P2500, 1979-1995 GMC P3500, 1988-1995 GMC C1500, 1988-1995 GMC C2500, 1988-1995 GMC C3500, 1988-1995 GMC K1500, 1988-1995 GMC K2500, 1988-1995 GMC K3500, 1982-1985 Oldsmobile Delta 88, 1982-1983 Pontiac Firebird, 1987-1994 Chevrolet Blazer, 1983-1984 GMC Caballero, 1982-1985 Oldsmobile Cutlass Supreme, 1983 Pontiac Grand Prix, 1987-1990 Pontiac Firebird, 1992-1995 GMC C2500 Suburban, 1992-1995 GMC K1500 Suburban, 1992-1995 GMC K2500 Suburban, 1987 Chevrolet R10, 1987-1988 Chevrolet R10 Suburban, 1987-1988 Chevrolet R20, 1987-1988 Chevrolet R20 Suburban, 1987-1988 Chevrolet R30, 1987 Chevrolet V10, 1987-1988 Chevrolet V10 Suburban, 1987 Chevrolet V20, 1987-1988 Chevrolet V20 Suburban, 1987-1988 Chevrolet V30, 1987 GMC R1500, 1987-1991 GMC R1500 Suburban, 1987-1989 GMC R2500, 1987-1991 GMC R2500 Suburban, 1987-1991 GMC R3500, 1987 GMC V1500, 1987-1991 GMC V1500 Suburban, 1987 GMC V2500, 1987-1991 GMC V2500 Suburban, 1987-1991 GMC V3500, 1988-1995 Chevrolet C1500, 1988-1995 Chevrolet C2500, 1988-1995 Chevrolet C3500, 1988-1995 Chevrolet K1500, 1988-1995 Chevrolet K2500, 1988-1995 Chevrolet K3500, 1989-1991 Chevrolet R1500 Suburban, 1989 Chevrolet R2500, 1989-1991 Chevrolet R2500 Suburban, 1989-1991 Chevrolet R3500, 1989-1991 Chevrolet V1500 Suburban, 1989-1991 Chevrolet V2500 Suburban, 1989-1991 Chevrolet V3500, 1992-1995 Chevrolet C1500 Suburban, 1992-1995 Chevrolet C2500 Suburban, 1992-1995 Chevrolet K1500 Suburban, 1992-1995 Chevrolet K2500 Suburban, 1992-1995 GMC Yukon, 1995 Chevrolet Tahoe