JE Pistons BMW S54B32 12.5CR 87.5 Bore

With over 60 years of experience, JE Pistons is the leader in high performance forged pistons. We've built a reputation that the competition can only follow. JE has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts trust and rely on. Why JE Pistons: Used by the top engine builders in NASCAR, ALMS, NHRA, AMA Supercross and others for over 60 years Utilizes State-Of-The-Art CNC machines for manufacturing along with purpose-designed forgings Industry-leading processes like Ultra Crown, a Digital Three Dimensional piston crown machining process and Finite Element Analysis (FEA) whereby stress and fatigue are tested on a computer model before it goes into production. The only performance piston manufacturer to earn the ISO 9001:2008 quality standard State-Of-The-Art inspection equipment and testing equipment enabling constant delivery of the very latest in piston design configurations.