
JE Pistons forged eight‑piston kit for 400 small‑block Chevy (SBC) engines. Flat‑top pistons with a 4.125 in. bore, 1.062" compression distance and -6.00 cc crown volume are specified for stroked SBC applications. Made from 2618 aluminum in the USA, the design features JE's Forged Side Relief forging to lower skirt friction and reduce weight; accumulator grooves and skirt coatings may be included to maintain ring seal under demanding conditions.
JE Pistons 400-18 SBC FLAT TOP Set of 8 Pistons