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JE Pistons forged eight‑piston kit for 400 small‑block Chevy (SBC) engines. Flat‑top pistons with a 4.155 in. bore, 1.125" compression distance and -5.0 cc crown volume provide a tailored combustion volume for build-specific SBC installs. Made from 2618 aluminum and machined in the USA, these pistons incorporate JE's Forged Side Relief forging to reduce skirt drag; accumulator grooves and optional skirt coatings are used where application demands improved ring control.
JE Pistons 400 SBC FLAT TOP Set of 8 Pistons
