COMP Cams 10-600-5 Thumpr 227/241 Hydraulic Flat Cam for AMC 290-401 for Select American Motors AMX, American Motors Ambassador, American Motors American, American Motors Classic, American Motors Concord, American Motors Gremlin, American Motors Hornet,
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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.
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Fits: 1968-1979 American Motors AMX, 1968-1974 American Motors Ambassador, 1968 American Motors American, 1966 American Motors Classic, 1978-1979 American Motors Concord, 1972-1976 American Motors Gremlin, 1970-1977 American Motors Hornet, 1968-1974 American Motors Javelin, 1967 American Motors Marlin, 1971-1978 American Motors Matador, 1978-1979 American Motors Pacer, 1969 American Motors Rambler, 1968-1970 American Motors Rebel, 1966 American Motors Rogue, 1979 American Motors Spirit, 1974 Bricklin SV-1, 1974 International 100, 1974 International 200, 1971-1981 Jeep CJ5, 1971-1975 Jeep CJ6, 1976-1981 Jeep CJ7, 1974-1983 Jeep Cherokee, 1972-1973 Jeep Commando, 1984-1991 Jeep Grand Wagoneer, 1971-1973 Jeep J-100, 1970-1973 Jeep J-2500, 1970-1973 Jeep J-2600, 1970-1971 Jeep J-3800, 1971-1973 Jeep J-4500, 1971-1973 Jeep J-4600, 1971-1973 Jeep J-4700, 1971-1973 Jeep J-4800, 1974-1988 Jeep J10, 1974-1988 Jeep J20, 1972-1983 Jeep Wagoneer
Please review Specifications and the detailed fitment table for notes and exceptions.
