COMP Cams CL11-601-4 - Cam and Lifter Kit, CB 287T H-10 7 MT THUMP

COMP Cams Mutha' Thumpr 287TH7 Cam and Lifter Kit for Big Block Chevy BIG BLOCK CHEVY Hydraulic CAM AND LIFTER KIT - Mutha' Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle. Cam and lifter kit for Big Block Chevy engines; CL-Kit includes cam, lifters, assembly lube, instructions and decals; Hydraulic - Mutha' Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.; 287/304 Advertised Duration, 235/249 Duration .050", .510"/.495" Lift, 107 Lobe Separation; Valve spring upgrade required