COMP Cams CL12-602-4 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block

Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

• Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
• 2,500-6,400 RPM Operating Range
• 243/257 Duration at .050". 107 Degree Lobe Separation Angle. 0.500"/0.486" Valve Lift
• CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
• 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.
• Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
• Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer.
• Made in USA