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JE Pistons forged piston set for Big Block Chevrolet V8 applications — a set of eight .420‑dome pistons designed for high‑output builds. Forged in the USA from 2618 aluminum, JE’s proprietary FSR design minimizes skirt drag and mass; select items include accumulator grooves and skirt coatings to improve ring seal and reduce wear. Specified to fit a 4.500 in. bore with 37.0 cc dome volume and 1.520 pin spacing.
JE Pistons BBC .420 DOME Set of 8 Pistons
