BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT - Big Mutha' Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Product Features:- Cam and lifter kit for Big Block Chevy engines
- CL-Kit includes cam, lifters, assembly lube, instructions and decals
- HYDRAULIC - Big Mutha' Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
- 295/312 Advertised Duration, 243/257 Duration @ .050", .522"/.507" Lift, 107 Lobe Separation
- Valve spring upgrade required