Valvetrain

GReddy Rocker Arm Stopper - Nissan SR20DET PS13/S14/S15

Greddy Rocker Arm Stoppers for the Nissan S13 SR20DET helps prevent valve float on all SR20DET engines.  The RAS kit is a must for any road race and or drifting enthusiast looking for added safety to prevent bent valves at the engines redline. The RAS kit keeps the rockers in place at high rpms to prevent from engine failure.