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JE Pistons forged piston set for Big Block Chevrolet V8 applications — a set of eight .565‑dome pistons engineered for demanding use. Made in the USA from 2618 aluminum, JE’s FSR forging reduces friction and skirt width while saving weight; accumulator grooves and skirt coatings are applied where appropriate to improve ring sealing and reduce noise. Specified for a 4.320 in. bore with 43.0 cc volume and 1.645 pin spacing.
JE Pistons BBC .565 DOME Set of 8 Pistons
