Article no.:
10-602-11
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COMP Cams Camshaft A8 299THR7 Thumper
Unleash the beast in your AMC V8 with the Big Mutha' Thumpr 299THR7 Hydraulic Roller Camshaft from COMP Cams. Designed for street/strip applications, this camshaft delivers an aggressive, hard-hitting exhaust note at idle and excellent horsepower gains.
With its early intake valve opening and long exhaust duration, the Thumpr series creates optimum overlap for that race car idle. However, it requires an aftermarket torque converter and lower gear ratio to ensure the drivetrain always puts the engine in its powerband.
- Street/strip application
- Needs 9.5:1 compression, 2800+ stall, intake, gears, and headers
- Very rough idle
- Fits AMC 290, 304, 343, 360, 390, and 401
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| American Motors | Ambassador | 1967 | Base |
| American Motors | Ambassador | 1968 | Base |
| American Motors | Ambassador | 1968 | DPL |
| American Motors | Ambassador | 1968 | SST |
| American Motors | Ambassador | 1969 | Base |
| American Motors | Ambassador | 1969 | DPL |
| American Motors | Ambassador | 1969 | SST |
| American Motors | Ambassador | 1970 | Base |
| American Motors | Ambassador | 1970 | DPL |
| American Motors | Ambassador | 1970 | SST |
| American Motors | Ambassador | 1971 | Brougham |
| American Motors | Ambassador | 1971 | DPL |
| American Motors | Ambassador | 1971 | SST |
| American Motors | Ambassador | 1972 | Brougham |
| American Motors | Ambassador | 1972 | SST |
| American Motors | Ambassador | 1973 | Brougham |
| American Motors | Ambassador | 1974 | Brougham |
| American Motors | American | 1966 | Base |
| American Motors | American | 1967 | Base |
| American Motors | American | 1968 | 440 |
| American Motors | American | 1968 | Base |
| American Motors | American | 1968 | Rogue |
| American Motors | AMX | 1968 | Base |
| American Motors | AMX | 1969 | Base |
| American Motors | AMX | 1970 | Base |
| American Motors | AMX | 1978 | Base |
| American Motors | AMX | 1979 | Base |
| American Motors | Classic | 1966 | 770 |
| American Motors | Classic | 1966 | Base |
| American Motors | Concord | 1978 | Base |
| American Motors | Concord | 1979 | Base |
| American Motors | Concord | 1979 | DL |
| American Motors | Concord | 1979 | Limited |
| American Motors | Gremlin | 1972 | Base |
| American Motors | Gremlin | 1973 | Base |
| American Motors | Gremlin | 1974 | Base |
| American Motors | Gremlin | 1975 | Base |
| American Motors | Gremlin | 1976 | Custom |
| American Motors | Hornet | 1970 | Base |
| American Motors | Hornet | 1970 | SST |
| American Motors | Hornet | 1971 | Base |
| American Motors | Hornet | 1971 | SC/360 |
| American Motors | Hornet | 1971 | Sportabout |
| American Motors | Hornet | 1971 | SST |
| American Motors | Hornet | 1972 | Sportabout |
| American Motors | Hornet | 1972 | SST |
| American Motors | Hornet | 1973 | Base |
| American Motors | Hornet | 1973 | Sportabout |
| American Motors | Hornet | 1974 | Base |
| American Motors | Hornet | 1974 | Sportabout |
| American Motors | Hornet | 1975 | Base |
| American Motors | Hornet | 1975 | Sportabout |
| American Motors | Hornet | 1976 | Base |
| American Motors | Hornet | 1976 | Sportabout |
| American Motors | Hornet | 1977 | AMX |
| American Motors | Hornet | 1977 | Base |
| American Motors | Hornet | 1977 | Sportabout |
| American Motors | Javelin | 1968 | Base |
| American Motors | Javelin | 1968 | SST |
| American Motors | Javelin | 1969 | Base |
| American Motors | Javelin | 1969 | SST |
| American Motors | Javelin | 1970 | Base |
| American Motors | Javelin | 1970 | SST |
| American Motors | Javelin | 1970 | SST Mark Donohue |
| American Motors | Javelin | 1970 | SST Trans Am |
| American Motors | Javelin | 1971 | AMX |
| American Motors | Javelin | 1971 | Base |
| American Motors | Javelin | 1971 | SST |
| American Motors | Javelin | 1972 | AMX |
| American Motors | Javelin | 1972 | Base |
| American Motors | Javelin | 1972 | SST |
| American Motors | Javelin | 1973 | AMX |
| American Motors | Javelin | 1973 | Base |
| American Motors | Javelin | 1974 | AMX |
| American Motors | Javelin | 1974 | Base |
| American Motors | Marlin | 1967 | Base |
| American Motors | Matador | 1971 | Base |
| American Motors | Matador | 1972 | Base |
| American Motors | Matador | 1973 | Base |
| American Motors | Matador | 1974 | Base |
| American Motors | Matador | 1974 | Brougham |
| American Motors | Matador | 1974 | X |
| American Motors | Matador | 1975 | Base |
| American Motors | Matador | 1976 | Base |
| American Motors | Matador | 1977 | Base |
| American Motors | Matador | 1978 | Base |
| American Motors | Pacer | 1978 | Base |
| American Motors | Pacer | 1979 | DL |
| American Motors | Pacer | 1979 | Limited |
| American Motors | Rambler | 1969 | 440 |
| American Motors | Rambler | 1969 | Base |
| American Motors | Rambler | 1969 | Hurst SC/Rambler |
| American Motors | Rambler | 1969 | Rogue |
| American Motors | Rebel | 1967 | Base |
| American Motors | Rebel | 1968 | 550 |
| American Motors | Rebel | 1968 | 770 |
| American Motors | Rebel | 1968 | SST |
| American Motors | Rebel | 1970 | Base |
| American Motors | Rogue | 1966 | Base |
| American Motors | Spirit | 1979 | Base |
COMP Cams manufactures camshafts and other valvetrain components. Products include everything from valve springs and hardware to pushrods, lifters, and even intake manifolds. COMP Cams’ history of producing high quality parts for everything from street cars to Pro Stock and Sprint Cup teams has proven their place in the market. The same technology used to develop parts for NASCAR and NHRA is used in all of their performance parts, down to the very basic street setup.
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