JE Pistons forged single piston for BMW S54B32 (9.0:1) is produced in the USA from 2618 aluminum and engineered for demanding applications. The piston uses JE's Forged Side Relief design to reduce skirt width and friction, and may include skirt coating and accumulator groove where specified to improve ring seal and reduce wear. Each piston ships with premium wrist pins, locks and JE Pro Seal rings for race-ready durability.
JE Pistons BMW S54B32 9:1 KIT Single Piston