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JE Pistons' forged piston kit for Nissan RB25DET is a six‑cylinder set with an 86mm bore and 8.5:1 compression ratio, engineered and forged in the USA from 2618 aluminum. JE applies its Forged Side Relief (FSR) design to reduce skirt width and weight, and the kit includes high‑quality wrist pins, locks and JE Pro Seal rings to support demanding racing and performance engine builds.
JE Pistons Nissan RB25DET 86mm Bore 0.827in Pin Dia 8.5:1 CR - Set of 6
