BMW S50B30 Euro 3.5L Stroker Kit by 5150 AutoSport 6mm valves R=range or XR=extra range-Anodized aluminum

R=range or XR=extra range-Anodized aluminum body with male threads

CP-Carrillo pistons are the best choice for any M54 stroker engine and application

All ARP bolts

clean filtered air routes back in through the engine to be burned and to promote negative crankcase pressure for optimal performance

BMW S50B30 Euro 3.5L Stroker Kit by 5150 AutoSport 6mm valves R=range or XR=extra range-Anodized aluminumBMW S50B30 Euro Stroker Kit by 5150 AutoSport Bigger displacement, more torque and more power; Our 5150 AutoSport Stroker Kits are specifically designed for BMW E36 M3 Euro Model Engines. Benefits of Stroking an Engine: Higher displacement offers greater power output and torque from increased cylinder volume and improved air fuel mixture combustion Longer crankshaft stroke increases connecting rod leverage for increased torque output at lower RPMs