"Revolution XR2" Roller cam Our latest design roller profile for use with newer high flow turbos. Specs: Intake 210 @ .050 .516 lift Exhaust 215 @ .050 .516 lift 110 L/S (installs at 110) (lift with stock rockers) Best street/strip cam with 3000+ converter good idle and good drivability. STRONG midrange power. Our most popualr Hyd. Roller cam