This JE Pistons forged piston kit for the BMW S14B23 (13.0:1) is made in the USA and tailored to that engine's bore and compression specification. JE's pistons are engineered for racing and high-load environments and their process yields pistons with reduced skirt width, forged material strength, and application-specific features intended to balance durability and optimized engine performance.
JE Pistons BMW S14B23 13.0:1 KIT Set of 4 Pistons