COMP Cams Camshaft Kit P8 299Th R7 Thumper - K51-602-11

Big Mutha' Thumpr 243/257 Hydraulic Roller Cam K Kit for Pontiac 265-455

Application: Pontiac 265-455 V8

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

K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.