this BMW M42 piston set features:

The vented fuel cap has roll-over protection if the vehicle ever becomes inverted

These benefits are especially important for high-performance or turbocharged engines that experience increased cylinder pressure

port fittings

7" (196mm) measured from the outer top face to the internal bottom face

B58 Stroker Piston MCIVN-1401S this BMW M42 piston set5150 AutoSport B58 Stroker Forged Piston Pro Xtreme Series Engineered to match the demands of the 5150 AutoSport B58 Stroker Kit, this custom forged piston delivers extreme performance and uncompromising reliability for high horsepower, long stroke B58 builds. Developed in collaboration with CP Carrillo, this stroker specific piston is based on our Pro Xtreme B58 design, with geometry tailored for the increased stroke and rod length in our 3. 2L and