COMP Cams - CL11-602-4Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.CL-KIT - Cam and Lifter Kit Includes: Camshaft, Lifters,...