The COMP Cams CS 279Tk‑R6 camshaft is optimized for smaller limited late‑model applications (331–355 ci) running under 1/4–3/8 mile conditions and restricted 2‑barrel induction. The market notes a requirement: this cam is optimized for melanized or nitrided distributor gears and is incompatible with untreated cast or steel gears; improper gear use may void warranties. Also, 1955–57 SBCs with grooved journals need a different cam.
COMP Cams Camshaft CS 279Tk-R6