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Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Chevrolet Big Block 396-454, camshaft only - COMP Cams 11-602-8
COMP Cams 11-602-8
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UPC
036584150916
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Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. 2,500-6,100 RPM Operating Range 243/257 Duration at .050". 107 Degree Lobe Separation Angle 0.570/0.554 Valve Lift Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear. Fit type: Universal Fit
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