"Revolution XR3" Roller cam Our latest design roller profile for use with newer high flow turbos. Specs: Intake 215 @ .050 .516 lift Exhaust 220 @ .050 .529 lift 112 L/S (installs at 110) (lift with stock rockers) Best max effort street/strip cam for 231" with 3500+ converter Choppy (but not too bad) idle, smooth idle in stroker and good drivability. STRONG midrange top end power. Roller rockers recommended