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Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain always puts the engine in its powerband. Additionally, Thumpr camshafts typically deliver reduced vacuum at idle, making a vacuum canister, pump or hydroboost a requirement for vehicles running power brakes.
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1965 - 1965 | Bristol | 408 | Base | ||
| 1965 - 1967 | Bristol | 409 | Base | ||
| 1967 - 1969 | Bristol | 410 | Base | ||
| 1964 - 1965 | Checker | Aerobus | Base | ||
| 1975 - 1983 | Chrysler | Cordoba | Base | ||
| 1979 - 1980 | Chrysler | Cordoba | 300 | ||
| 1980 - 1982 | Chrysler | Cordoba | LS | ||
| 1980 - 1980 | Chrysler | Cordoba | Crown | ||
| 1983 - 1989 | Chrysler | Fifth Avenue | Base | ||
| 1981 - 1983 | Chrysler | Imperial | Base | ||
| 1977 - 1981 | Chrysler | LeBaron | Medallion | ||
| 1977 - 1981 | Chrysler | LeBaron | Base | ||
| 1978 - 1978 | Chrysler | LeBaron | S | ||
| 1979 - 1981 | Chrysler | LeBaron | Salon | ||
| 1980 - 1981 | Chrysler | LeBaron | Special | ||
| 1977 - 1978 | Chrysler | New Yorker | Brougham | ||
| 1979 - 1982 | Chrysler | New Yorker | Base | ||
| 1971 - 1972 | Chrysler | Newport | Royal | ||
| 1971 - 1976 | Chrysler | Newport | Custom | ||
| 1971 - 1971 | Chrysler | Newport | Base | ||
| 1973 - 1981 | Chrysler | Newport | Base | ||
| 1978 - 1981 | Chrysler | Town & Country | Base | ||
| 1964 - 1964 | Dodge | 330 | Base | ||
| 1964 - 1964 | Dodge | 440 | Base | ||
| 1964 - 1966 | Dodge | A100 | Base | ||
| 1970 - 1970 | Dodge | A100 | Sportsman | ||
| 1970 - 1970 | Dodge | A100 | Base | ||
| 1976 - 1977 | Dodge | Aspen | Special Edition | ||
| 1976 - 1977 | Dodge | Aspen | Custom | ||
| 1976 - 1980 | Dodge | Aspen | Base | ||
| 1975 - 1980 | Dodge | B100 | Base | ||
| 1971 - 1974 | Dodge | B100 Van | Sportsman | ||
| 1971 - 1974 | Dodge | B100 Van | Base | ||
| 1981 - 1994 | Dodge | B150 | Base | ||
| 1995 - 1998 | Dodge | B1500 | Base | ||
| 1975 - 1980 | Dodge | B200 | Base | ||
| 1971 - 1974 | Dodge | B200 Van | Sportsman | ||
| 1971 - 1974 | Dodge | B200 Van | Base | ||
| 1972 - 1974 | Dodge | B200 Van | Maxi Wagon | ||
| 1972 - 1974 | Dodge | B200 Van | Maxi | ||
| 1981 - 1994 | Dodge | B250 | Base | ||
| 1995 - 1998 | Dodge | B2500 | Base | ||
| 1975 - 1980 | Dodge | B300 | Base | ||
| 1971 - 1974 | Dodge | B300 Van | Sportsman | ||
| 1971 - 1974 | Dodge | B300 Van | Base | ||
| 1972 - 1974 | Dodge | B300 Van | Maxi Wagon | ||
| 1972 - 1974 | Dodge | B300 Van | Maxi | ||
| 1981 - 1994 | Dodge | B350 | Base | ||
| 1995 - 1998 | Dodge | B3500 | Base | ||
| 1973 - 1980 | Dodge | CB300 | Base | ||
| 1970 - 1970 | Dodge | Challenger | T/A | ||
| 1970 - 1971 | Dodge | Challenger | R/T | ||
| 1970 - 1974 | Dodge | Challenger | Base | ||
| 1972 - 1972 | Dodge | Challenger | Rallye | ||
| 1966 - 1974 | Dodge | Charger | Base | ||
| 1967 - 1971 | Dodge | Charger | R/T | ||
| 1969 - 1969 | Dodge | Charger | SE | ||
| 1969 - 1971 | Dodge | Charger | 500 | ||
| 1971 - 1971 | Dodge | Charger | Super Bee | ||
| 1971 - 1978 | Dodge | Charger | Special Edition | ||
| 1976 - 1976 | Dodge | Charger | Sport | ||
| 1976 - 1976 | Dodge | Charger | Base | ||
| 1965 - 1966 | Dodge | Coronet | Base | ||
| 1965 - 1965 | Dodge | Coronet | 500 | ||
| 1965 - 1965 | Dodge | Coronet | 440 | ||
| 1967 - 1970 | Dodge | Coronet | Deluxe | ||
| 1967 - 1970 | Dodge | Coronet | 500 | ||
| 1967 - 1970 | Dodge | Coronet | 440 | ||
| 1968 - 1970 | Dodge | Coronet | Super Bee | ||
| 1968 - 1970 | Dodge | Coronet | R/T | ||
| 1970 - 1976 | Dodge | Coronet | Base | ||
| 1971 - 1975 | Dodge | Coronet | Custom | ||
| 1971 - 1976 | Dodge | Coronet | Crestwood | ||
| 1971 - 1971 | Dodge | Coronet | Brougham | ||
| 1975 - 1976 | Dodge | Coronet | Brougham | ||
| 1975 - 1979 | Dodge | D100 | Custom | ||
| 1976 - 1978 | Dodge | D100 | Warlock | ||
| 1979 - 1979 | Dodge | D100 | Warlock II | ||
| 1984 - 1989 | Dodge | D100 | Custom | ||
| 1968 - 1974 | Dodge | D100 Pickup | Base | ||
| 1964 - 1967 | Dodge | D100 Series | Base | ||
| 1977 - 1993 | Dodge | D150 | Base | ||
| 1982 - 1983 | Dodge | D150 | Miser | ||
| 1990 - 1991 | Dodge | D150 | S | ||
| 1975 - 1976 | Dodge | D200 | Custom | ||
| 1977 - 1980 | Dodge | D200 | Base | ||
| 1968 - 1974 | Dodge | D200 Pickup | Base | ||
| 1964 - 1967 | Dodge | D200 Series | Base | ||
| 1981 - 1993 | Dodge | D250 | Base | ||
| 1975 - 1976 | Dodge | D300 | Custom | ||
| 1977 - 1980 | Dodge | D300 | Base | ||
| 1968 - 1974 | Dodge | D300 Pickup | Base | ||
| 1964 - 1967 | Dodge | D300 Series | Base | ||
| 1981 - 1993 | Dodge | D350 | Base | ||
| 1989 - 1989 | Dodge | Dakota | Shelby | ||
| 1990 - 1991 | Dodge | Dakota | SE | ||
| 1990 - 1993 | Dodge | Dakota | LE | ||
| 1990 - 1999 | Dodge | Dakota | Base | ||
| 1991 - 2002 | Dodge | Dakota | Sport | ||
| 1991 - 1992 | Dodge | Dakota | S | ||
| 1994 - 1996 | Dodge | Dakota | WS | ||
| 1994 - 2002 | Dodge | Dakota | SLT | ||
| 1998 - 2002 | Dodge | Dakota | R/T | ||
| 1964 - 1976 | Dodge | Dart | Base | ||
| 1968 - 1969 | Dodge | Dart | GTS | ||
| 1968 - 1969 | Dodge | Dart | GT | ||
| 1968 - 1968 | Dodge | Dart | 270 | ||
| 1969 - 1976 | Dodge | Dart | Swinger | ||
| 1969 - 1975 | Dodge | Dart | Custom | ||
| 1971 - 1974 | Dodge | Dart | Special | ||
| 1971 - 1972 | Dodge | Dart | Demon 340 | ||
| 1971 - 1972 | Dodge | Dart | Demon | ||
| 1973 - 1973 | Dodge | Dart | Sport 340 | ||
| 1973 - 1976 | Dodge | Dart | Sport | ||
| 1974 - 1975 | Dodge | Dart | Sport 360 | ||
| 1974 - 1975 | Dodge | Dart | Special Edition | ||
| 1975 - 1976 | Dodge | Dart | Swinger Special | ||
| 1977 - 1983 | Dodge | Diplomat | Medallion | ||
| 1977 - 1981 | Dodge | Diplomat | Base | ||
| 1978 - 1978 | Dodge | Diplomat | S | ||
| 1979 - 1989 | Dodge | Diplomat | Salon | ||
| 1984 - 1989 | Dodge | Diplomat | SE | ||
| 1998 - 2002 | Dodge | Durango | SLT | ||
| 1998 - 2001 | Dodge | Durango | Base | ||
| 1999 - 2000 | Dodge | Durango | SLT Plus | ||
| 2000 - 2000 | Dodge | Durango | Sport | ||
| 2000 - 2002 | Dodge | Durango | R/T | ||
| 2002 - 2002 | Dodge | Durango | Sport | ||
| 2002 - 2002 | Dodge | Durango | SLT Plus | ||
| 1968 - 1974 | Dodge | M300 | Base | ||
| 1978 - 1979 | Dodge | Magnum | XE | ||
| 1970 - 1974 | Dodge | MB300 | Base | ||
| 1980 - 1983 | Dodge | Mirada | Special Coupe | ||
| 1968 - 1978 | Dodge | Monaco | Base | ||
| 1968 - 1968 | Dodge | Monaco | 500 | ||
| 1974 - 1974 | Dodge | Monaco | Custom | ||
| 1974 - 1974 | Dodge | Monaco | Brougham | ||
| 1975 - 1976 | Dodge | Monaco | Royal Brougham | ||
| 1975 - 1976 | Dodge | Monaco | Royal | ||
| 1977 - 1978 | Dodge | Monaco | Crestwood | ||
| 1977 - 1978 | Dodge | Monaco | Brougham | ||
| 1964 - 1973 | Dodge | Polara | Base | ||
| 1968 - 1969 | Dodge | Polara | 500 | ||
| 1970 - 1970 | Dodge | Polara | Special | ||
| 1970 - 1973 | Dodge | Polara | Custom | ||
| 1971 - 1971 | Dodge | Polara | Brougham | ||
| 1972 - 1974 | Dodge | R300 | Base | ||
| 1994 - 1996 | Dodge | Ram 1500 | Base | ||
| 1997 - 2002 | Dodge | Ram 1500 | ST | ||
| 1997 - 1998 | Dodge | Ram 1500 | SS/T 5.9L | ||
| 1997 - 2001 | Dodge | Ram 1500 | Sport | ||
| 1997 - 1997 | Dodge | Ram 1500 | LT | ||
| 1997 - 2001 | Dodge | Ram 1500 | Laramie | ||
| 2002 - 2002 | Dodge | Ram 1500 | SLT | ||
| 1999 - 2002 | Dodge | Ram 1500 Van | Base | ||
| 1994 - 2002 | Dodge | Ram 2500 | Base | ||
| 1999 - 2002 | Dodge | Ram 2500 Van | Base | ||
| 1994 - 2002 | Dodge | Ram 3500 | Base | ||
| 1999 - 2002 | Dodge | Ram 3500 Van | Base | ||
| 1974 - 1993 | Dodge | Ramcharger | Base | ||
| 1975 - 1980 | Dodge | Ramcharger | SE | ||
| 1981 - 1993 | Dodge | Ramcharger | Royal SE | ||
| 1991 - 1993 | Dodge | Ramcharger | Canyon Sport | ||
| 1978 - 1980 | Dodge | RD200 | Base | ||
| 1971 - 1971 | Dodge | RM300 | Motorhome | ||
| 1973 - 1974 | Dodge | RM300 | Base | ||
| 1971 - 1971 | Dodge | RM350 | Motorhome | ||
| 1974 - 1974 | Dodge | RM350 | Motorhome | ||
| 1975 - 1977 | Dodge | Royal Monaco | Brougham | ||
| 1975 - 1977 | Dodge | Royal Monaco | Base | ||
| 1979 - 1981 | Dodge | St. Regis | Base | ||
| 1975 - 1977 | Dodge | W100 | Custom | ||
| 1984 - 1989 | Dodge | W100 | Custom | ||
| 1968 - 1974 | Dodge | W100 Pickup | Base | ||
| 1964 - 1967 | Dodge | W100 Series | Base | ||
| 1977 - 1993 | Dodge | W150 | Base | ||
| 1990 - 1991 | Dodge | W150 | S | ||
| 1975 - 1980 | Dodge | W200 | Base | ||
| 1968 - 1974 | Dodge | W200 Pickup | Base | ||
| 1964 - 1967 | Dodge | W200 Series | Base | ||
| 1981 - 1993 | Dodge | W250 | Base | ||
| 1975 - 1976 | Dodge | W300 | Custom | ||
| 1977 - 1980 | Dodge | W300 | Base | ||
| 1968 - 1974 | Dodge | W300 Pickup | Base | ||
| 1964 - 1967 | Dodge | W300 Series | Base | ||
| 1981 - 1993 | Dodge | W350 | Base | ||
| 1966 - 1966 | Griffith | 200 | Base | ||
| 1993 - 1993 | Jeep | Grand Cherokee | Base | ||
| 1993 - 1998 | Jeep | Grand Cherokee | Laredo | ||
| 1993 - 1998 | Jeep | Grand Cherokee | Limited | ||
| 1994 - 1995 | Jeep | Grand Cherokee | SE | ||
| 1995 - 1995 | Jeep | Grand Cherokee | Orvis | ||
| 1997 - 1997 | Jeep | Grand Cherokee | Orvis | ||
| 1997 - 1998 | Jeep | Grand Cherokee | TSi | ||
| 1998 - 1998 | Jeep | Grand Cherokee | 5.9 Limited | ||
| 1993 - 1993 | Jeep | Grand Wagoneer | Base | ||
| 1964 - 1974 | Plymouth | Barracuda | Base | ||
| 1970 - 1971 | Plymouth | Barracuda | Gran Coupe | ||
| 1964 - 1971 | Plymouth | Belvedere | Base | ||
| 1968 - 1971 | Plymouth | Belvedere | Satellite | ||
| 1967 - 1967 | Plymouth | Belvedere II | Base | ||
| 1970 - 1974 | Plymouth | Cuda | Base | ||
| 1970 - 1973 | Plymouth | Duster | 340 | ||
| 1970 - 1975 | Plymouth | Duster | Base | ||
| 1974 - 1975 | Plymouth | Duster | 360 | ||
| 1975 - 1975 | Plymouth | Duster | Custom | ||
| 1976 - 1976 | Plymouth | Duster | Sport | ||
| 1964 - 1967 | Plymouth | Fury | Base | ||
| 1968 - 1968 | Plymouth | Fury | Custom Suburban | ||
| 1970 - 1975 | Plymouth | Fury | Custom Suburban | ||
| 1971 - 1971 | Plymouth | Fury | Custom | ||
| 1972 - 1972 | Plymouth | Fury | Gran Coupe | ||
| 1972 - 1972 | Plymouth | Fury | Gran Sedan | ||
| 1974 - 1974 | Plymouth | Fury | Police | ||
| 1975 - 1978 | Plymouth | Fury | Base | ||
| 1975 - 1975 | Plymouth | Fury | Custom |
WARNING: Cancer & Reproductive Harm www.p65warnings.ca.govFor more information on COMP Cams part number 20-600-9, you can visit the official COMP Cams website.
