COMP Cams Cam & Lifter Kit CS XR280

The COMP Cams CL12-771-8 is a Cam and Lifter Kit part of the Xtreme Energy series. It is designed for Chevrolet Small Block V8 engines (262-400 cubic inches), including 262 c.i. (4.3L), 305 c.i. (5.0L), 350 c.i. (5.7L), and 400 c.i. (6.6L) V8 engines, with a Mechanical Roller camshaft type. It is compatible with various older Chevrolet and GMC Trucks and SUVs from 1955-1998. The kit includes a camshaft, lifters, assembly lube, decals, and instructions. Key specifications include an intake duration of 242 and exhaust duration of 248 at .050" lift, an RPM range of 2500 to 7250, and lobe separation of 110°. Valve springs are required, but not included. It does not include retainers, locks, valve stem seals, timing chain and gears, assembly lubricant, pushrods, or rocker arms.