JE Pistons four-cylinder kit for BMW S14B23 engines, 3.693 in. bore with a 13.00:1 compression ratio and dome pistons. Forged in the USA from 2618 aluminum, the kit is tailored for European and sport-compact applications and includes high-quality wrist pins, locks and JE Pro Seal piston rings; JE’s FSR forging and optional skirt coating and accumulator groove improve sealing and reduce friction.
JE Pistons BMW S14B32 13:1 KIT Set of 4 Pistons