I have a Comp Cams Cam and Lifter set part # CL12-564-4. The lifters part # is 812-16. The cam is still in original plastic wrapping, and the lifters still have the shrink wrapping on them. The cam is for V8 Chevrolet engines,from 262ci to 400ci, 1955 to 1998. It has a .0487" Intake and .0501" Exhaust. Email for cam spec sheet, pics or any questions.