COMP Cams Big Mutha" Thumpr Hydraulic Flat Tappet Camshaft Lift .522"/.507" Duration 295/312 RPM Range 2300 to 6200
249-11-602-4
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| Ratings |
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| Price |
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Chevy 396-454ci Big Block 1965-96
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Specifications:
Motor Vehicles
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Tools:
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Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.