In collaboration with industry leaders Precision Turbo and Turbosmart

Horsepower: 180-220whp gain over stock depending on fuel quality and pulley used

with an enlarged mating surface that enables them to effortlessly withstand heavy loads

Cams are not interchangeable without modifying the rest of the ignition system

BMW S63 4.8L Stroker Kit by 5150 AutoSport apparel In collaboration with industry leadersBMW S63 Stroker Kit by 5150 AutoSport Bigger displacement, more torque and more power; Our 5150 AutoSport Stroker Kits are specifically designed for the BMW S63 V8 Engine. 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 Improved throttle