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JE Pistons Cosworth N5B forged piston kit for 4‑cylinder applications (92.5mm bore, 8.00:1) is a purpose‑built, race‑oriented piston set forged in the USA. JE applies proprietary Forged Side Relief forging, accumulator groove options, and optional skirt coatings to minimize friction and improve ring seal. The kit includes premium wrist pins, locks, and JE Pro Seal rings for a complete piston assembly.
JE Pistons COSWORTH N5B 92.5mm Bore 8:1 KIT Set of 4 Pistons
