JE Pistons four-cylinder kit for BMW S14B23 engines, 3.701 in. bore with a 13.00:1 compression ratio and dome pistons. Forged in the USA from 2618 aluminum, this OE-specific kit includes wrist pins, locks and JE Pro Seal rings and uses Forged Side Relief forging plus optional accumulator groove and skirt coating to reduce friction, improve ring seal and suit high-revving European performance engines.
JE Pistons BMW S14B32 13:1 KIT Set of 4 Pistons