Chevrolet Performance 88958766 - Showroom Stock Cam

Showroom Stock racing design; requires hollow-stem intake valves P/N 12565311, hollow-stem exhaust valves P/N 12565312, valve springs P/N 12586484, and aftermarket notched pistons OR machined stock pistons. Dur. @ 0.050” Lift (1.7 Rocker) LSA Intake Exhaust Intake Exhaust 239 246 0.570” 0.570” 106.5