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JE Pistons forged piston set for Big Block Chevrolet V8 applications — a set of eight .565‑dome pistons tailored to demanding applications. Made from 2618 aluminum and forged in the USA, JE’s FSR geometry reduces skirt drag and mass; accumulator grooves and skirt coatings are applied where useful to improve ring sealing and longevity. Specified for a 4.320 in. bore with 43.0 cc dome volume and 1.520 pin spacing.
JE Pistons BBC .565 DOME Set of 8 Pistons
