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JE Pistons forged eight‑piston kit for 400 small‑block Chevy (SBC) engines. Flat‑top pistons with a 4.165 in. bore, 1.125" compression distance and -5.0 cc crown volume suit big‑bore SBC builds aiming for consistent chamber characteristics. Forged and finished in the USA from 2618 aluminum, the design employs JE's FSR forging to minimize friction; accumulator grooves and skirt coatings are included when specified to aid ring seal and reduce wear.
JE Pistons 400 SBC FLAT TOP Set of 8 Pistons
