JE Pistons' forged kit for BMW S14B23 with 13.0:1 compression is a purpose-built, application-specific piston set manufactured in the USA. JE applies proprietary forging designs and, depending on the specific part, may include skirt coatings and accumulator grooves to reduce friction and improve ring seal. The kit includes high-quality wrist pins, locks and premium rings for demanding builds.
JE Pistons BMW S14B23 13.0:1 KIT Set of 4 Pistons