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    FR SPORT

    Comp Cams Big Mutha' Thumpr Hydraulic Flat Tappet Camshaft

    Comp Cams Big Mutha' Thumpr Hydraulic Flat Tappet Camshaft

    $416.27 USD
    $433.61 USD $416.27 USD
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    Shipping calculated at checkout.

    Big Mutha' Thumpr Hydraulic Flat Tappet Camshaft

    Thumpr Camshafts are the hottest cams incorporate early exhaust valve opening, long exhaust duration, and a generous amount of intake and exhaust overlap

    Specification:

    • Cam Style: Hydraulic Flat Tappet
    • RPM Range: 2300-6200
    • Valve Lift (in.): 0.507 Intake / 0.522 Exhaust
    • Duration @ .050 in. (Deg): 243Intake / 257 Exhaust
    • Duration Advertised (Deg): 295Intake / 312 Exhaust
    • Valve Lift with Factory Rocker Arm Ratio: 0.522 Intake/0.507 Exhaust
    • Lobe Separation (Deg): 107


    Vehicle Fitments:

    Year Make Model Submodel
    1965 - 1975 Chevrolet Bel Air Base
    1965 - 1972 Chevrolet Biscayne Base
    1973 - 1974 Chevrolet Blazer Base
    1969 - 1972 Chevrolet Brookwood Base
    1978 - 1980 Chevrolet C10 Big Ten
    1975 - 1980 Chevrolet C10 Custom, Custom Deluxe, Scottsdale, Silverado, Cheyenne
    1968 - 1974 Chevrolet C10 Pickup Base
    1968 - 1974 Chevrolet C10 Suburban Base
    1975 - 1980 Chevrolet C10 Suburban Scottsdale, Silverado, Custom Deluxe
    1990 - 1991 Chevrolet C1500 Base
    1990 - 1992 Chevrolet C1500 Scottsdale
    1990 - 1993 Chevrolet C1500 WT, Silverado, Cheyenne, 454 SS
    1986 Chevrolet C20 Base
    1981 - 1986 Chevrolet C20 Custom
    1975 - 1980 Chevrolet C20 Custom Deluxe
    1981 Chevrolet C20 Deluxe
    1975 - 1986 Chevrolet C20 Silverado, Cheyenne, Scottsdale
    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 Silverado, Scottsdale
    1991 - 1995 Chevrolet C2500 Cheyenne, Silverado, Base
    1993 Chevrolet C2500 Custom, 400 SS
    1991 - 1992 Chevrolet C2500 Scottsdale
    1994 - 1995 Chevrolet C2500 WT
    1992 - 1995 Chevrolet C2500 Suburban Base
    1995 Chevrolet C2500 Suburban LS, LT
    1992 - 1994 Chevrolet C2500 Suburban 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 Scottsdale, Silverado
    1968 - 1974 Chevrolet C30 Pickup Base
    1994 - 1995 Chevrolet C3500 Base
    1988 - 1992 Chevrolet C3500 Scottsdale
    1988 - 1995 Chevrolet C3500 Silverado, Cheyenne
    1967 - 1972 Chevrolet Camaro RS, Base, Z28, SS
    1966 - 1974 Chevrolet Caprice Base
    1973 - 1976 Chevrolet Caprice Classic
    1976 Chevrolet Caprice Classic Landau, Classic Estate
    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
    1965 - 1972 Chevrolet Chevelle Base, SS
    1967 - 1972 Chevrolet Chevelle Concours
    1965 - 1973 Chevrolet Chevelle Deluxe
    1969 - 1972 Chevrolet Chevelle Greenbrier, Concours Estate
    1968 - 1972 Chevrolet Chevelle Malibu, Nomad
    1968 Chevrolet Chevy II Nova
    1965 - 1974 Chevrolet Corvette Base
    1967 - 1975 Chevrolet El Camino Base
    1975 Chevrolet El Camino Classic
    1968 - 1974 Chevrolet El Camino Custom
    1968 - 1975 Chevrolet El Camino SS
    1969 - 1970 Chevrolet Estate Base
    1973 - 1974 Chevrolet G10 Van Base, Sportvan
    1976 Chevrolet G20 Sportvan, Chevy Van, Beauville
    1973 - 1974 Chevrolet G20 Van Base, Sportvan
    1975 - 1996 Chevrolet G30 Chevy Van, Hi-Cube, Sportvan, Beauville
    1973 - 1974 Chevrolet G30 Van Sportvan, Base
    1965 - 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 Cheyenne, Scottsdale, Custom Deluxe, Silverado
    1968 - 1974 Chevrolet K10 Pickup Base
    1968 - 1974 Chevrolet K10 Suburban Base
    1976 - 1980 Chevrolet K20 Scottsdale, Silverado, Custom Deluxe, Cheyenne
    1968 - 1974 Chevrolet K20 Pickup Base
    1968 - 1974 Chevrolet K20 Suburban Base
    1985 Chevrolet K20 Suburban Custom, Silverado, Scottsdale
    1994 - 1995 Chevrolet K2500 Base, WT
    1991 - 1992 Chevrolet K2500 Scottsdale
    1991 - 1995 Chevrolet K2500 Silverado, Cheyenne
    1992 - 1995 Chevrolet K2500 Suburban Base
    1995 Chevrolet K2500 Suburban LS, LT
    1992 - 1994 Chevrolet K2500 Suburban 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 Scottsdale, Silverado
    1968 - 1974 Chevrolet K30 Pickup Base
    1994 - 1995 Chevrolet K3500 Base
    1988 - 1992 Chevrolet K3500 Scottsdale
    1988 - 1995 Chevrolet K3500 Silverado, Cheyenne
    1976 Chevrolet K5 Blazer Base
    1976 - 1978 Chevrolet K5 Blazer Cheyenne
    1977 - 1978 Chevrolet K5 Blazer Custom Deluxe
    1978 Chevrolet K5 Blazer Silverado
    1969 - 1972 Chevrolet Kingswood Base, Estate
    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 - 1972 Chevrolet Nova Base
    1973 Chevrolet P10 Van Base
    1976 - 1979 Chevrolet P20 Step-Van, Base
    1970 - 1973 Chevrolet P20 Van Base
    1975 - 1997 Chevrolet P30 Base
    1975 - 1990 Chevrolet P30 Step-Van
    1970 - 1974 Chevrolet P30 Van Base
    1988 Chevrolet R20 Cheyenne
    1987 - 1988 Chevrolet R20 Custom Deluxe, Silverado, Scottsdale
    1987 Chevrolet R20 Suburban Custom Deluxe
    1987 - 1988 Chevrolet R20 Suburban Silverado, Scottsdale
    1989 Chevrolet R2500 Silverado, Scottsdale, Cheyenne
    1989 - 1991 Chevrolet R2500 Suburban Scottsdale, Silverado
    1988 Chevrolet R30 Cheyenne
    1987 - 1988 Chevrolet R30 Scottsdale, Silverado, Custom Deluxe
    1989 - 1990 Chevrolet R3500 Scottsdale
    1989 - 1991 Chevrolet R3500 Silverado, Cheyenne
    1969 - 1972 Chevrolet Townsman Base
    1987 Chevrolet V20 Suburban Custom Deluxe
    1987 - 1988 Chevrolet V20 Suburban Scottsdale, Silverado
    1990 Chevrolet V2500 Suburban Scottsdale, Silverado
    1988 Chevrolet V30 Cheyenne
    1987 - 1988 Chevrolet V30 Custom Deluxe, Scottsdale, Silverado
    1989 - 1990 Chevrolet V3500 Scottsdale
    1989 - 1991 Chevrolet V3500 Silverado, Cheyenne
    1972 - 1979 Excalibur Phaeton Base
    1975 - 1978 GMC C15 Base, High Sierra, Sierra Classic, Sierra Grande
    1977 - 1978 GMC C15 Heavy Half
    1977 GMC C15 Indy Hauler
    1978 GMC C15 Street Coupe
    1975 - 1978 GMC C15 Suburban Sierra Classic, Sierra Grande, High Sierra, Base
    1968 - 1974 GMC C15/C1500 Pickup Base
    1968 - 1974 GMC C15/C1500 Suburban Base
    1979 - 1980 GMC C1500 Street Coupe, Base, Heavy Half, High Sierra, Sierra Grande, Sierra Classic
    1979 - 1980 GMC C1500 Suburban High Sierra, Sierra Classic, Base, Sierra Grande
    1975 - 1978 GMC C25 High Sierra, Base, Sierra Grande, Sierra Classic
    1975 - 1978 GMC C25 Suburban Sierra Grande, Base, High Sierra, Sierra Classic
    1968 - 1974 GMC C25/C2500 Pickup Base
    1968 - 1974 GMC C25/C2500 Suburban Base
    1979 - 1986 GMC C2500 Sierra Classic, Base, High Sierra
    1979 - 1982 GMC C2500 Sierra Grande
    1994 - 1995 GMC C2500 Sierra SL, Sierra SLT
    1991 - 1995 GMC C2500 Sierra SLE
    1991 - 1993 GMC C2500 Sierra SLX, Sierra
    1979 - 1995 GMC C2500 Suburban Base
    1979 - 1986 GMC C2500 Suburban Sierra Classic, High Sierra
    1979 - 1982 GMC C2500 Suburban Sierra Grande
    1992 - 1995 GMC C2500 Suburban SLE
    1995 GMC C2500 Suburban SLT
    1975 - 1978 GMC C35 Sierra Classic, High Sierra, Sierra Grande, Base
    1968 - 1974 GMC C35/C3500 Pickup Base
    1979 - 1986 GMC C3500 High Sierra, Base, Sierra Classic
    1979 - 1982 GMC C3500 Sierra Grande
    1994 - 1995 GMC C3500 Sierra SL, Sierra SLT
    1988 - 1995 GMC C3500 Sierra SLE
    1988 - 1993 GMC C3500 Sierra SLX, Sierra
    1975 - 1976 GMC G25 Rally, Rally STX, Vandura
    1976 GMC G35 Rally Camper Special, Vandura, Rally, Magnavan, Rally STX, Vandura Special
    1974 GMC G35/G3500 Van Base
    1973 - 1974 GMC G35/G3500 Van Rally, Vandura
    1988 GMC G3500 Rally Custom
    1988 - 1996 GMC G3500 Vandura, Magnavan, Rally STX, Vandura Special, Rally Camper Special, Rally
    1973 - 1976 GMC Jimmy Base
    1976 GMC Jimmy Sierra Classic, High Sierra, Sierra Grande
    1976 GMC K15 Sierra Classic, High Sierra, Base, Sierra Grande
    1968 - 1974 GMC K15/K1500 Pickup Base
    1968 - 1974 GMC K15/K1500 Suburban Base
    1979 - 1980 GMC K1500 High Sierra, Sierra Grande, Base, Sierra Classic
    1976 - 1978 GMC K25 High Sierra, Sierra Grande, Base, Sierra Classic
    1976 - 1977 GMC K25 Suburban Sierra Grande, Base, Sierra Classic, High Sierra
    1968 - 1974 GMC K25/K2500 Pickup Base
    1968 - 1974 GMC K25/K2500 Suburban Base
    1991 - 1995 GMC K2500 Sierra SLE
    1994 - 1995 GMC K2500 Sierra SLT, Sierra SL
    1991 - 1993 GMC K2500 Sierra SLX, Sierra
    1992 - 1995 GMC K2500 Suburban Base, SLE
    1995 GMC K2500 Suburban SLT
    1968 - 1974 GMC K35/K3500 Pickup Base
    1979 - 1986 GMC K3500 High Sierra, Base, Sierra Classic
    1979 - 1982 GMC K3500 Sierra Grande
    1994 - 1995 GMC K3500 Sierra SL, Sierra SLT
    1988 - 1995 GMC K3500 Sierra SLE
    1988 - 1993 GMC K3500 Sierra, Sierra SLX
    1979 GMC P1500 Base, Value Van
    1970 - 1971 GMC P25/P2500 Van Base
    1975 - 1978 GMC P35 Value Van, Base
    1970 - 1974 GMC P35/P3500 Van Base
    1974 GMC P35/P3500 Van Motorhome
    1979 - 1997 GMC P3500 Base
    1979 - 1990 GMC P3500 Value Van
    1987 - 1989 GMC R2500 High Sierra, Sierra Classic, Base
    1987 - 1991 GMC R2500 Suburban Base
    1987 GMC R2500 Suburban High Sierra
    1987 - 1989 GMC R2500 Suburban Sierra Classic
    1990 GMC R2500 Suburban SLE
    1987 - 1991 GMC R3500 Base
    1987 - 1989 GMC R3500 Sierra Classic, High Sierra
    1990 - 1991 GMC R3500 SLE
    1971 - 1975 GMC Sprint Base
    1972 - 1974 GMC Sprint Custom
    1975 GMC Sprint SP, High Sierra, Classic
    1987 - 1991 GMC V3500 Base
    1987 - 1989 GMC V3500 Sierra Classic, High Sierra
    1990 - 1991 GMC V3500 SLE
    1969 - 1974 Iso Grifo Base
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