![COMP Cams CL12-602-4: CL12-602-4 Big Mutha' Thumpr Hydraulic Flat Tappet Cam and Lifter Kit for Chevy Small Block Engines [Duration 243/257 @ .050]](/web/image/product.product/72565/image_1024/%5BCCA-CL12-602-4%5D%20COMP%20Cams%20CL12-602-4:%20CL12-602-4%20Big%20Mutha%27%20Thumpr%20Hydraulic%20Flat%20Tappet%20Cam%20and%20Lifter%20Kit%20for%20Chevy%20Small%20Block%20Engines%20%5BDuration%20243-257%20%40%20.050%5D?unique=da13f69)
![COMP Cams CL12-602-4: CL12-602-4 Big Mutha' Thumpr Hydraulic Flat Tappet Cam and Lifter Kit for Chevy Small Block Engines [Duration 243/257 @ .050]](/web/image/product.product/72565/image_128/%5BCCA-CL12-602-4%5D%20COMP%20Cams%20CL12-602-4:%20CL12-602-4%20Big%20Mutha%27%20Thumpr%20Hydraulic%20Flat%20Tappet%20Cam%20and%20Lifter%20Kit%20for%20Chevy%20Small%20Block%20Engines%20%5BDuration%20243-257%20%40%20.050%5D?unique=da13f69)
COMP Cams CL12-602-4: CL12-602-4 Big Mutha' Thumpr Hydraulic Flat Tappet Cam and Lifter Kit for Chevy Small Block Engines [Duration 243/257 @ .050]
Chevy 262-400ci Small Block 1958-98
Big Mutha' Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit 1958-1998 Chevy Small Block Engines 262-400 ci. Lift: .500 in./.486 in. Duration @ .050 in: 243/257 RPM Range: 2500-6400 Lobe Separation: 107 Usage: Street/Strip