JE Pistons 8-cylinder forged piston kit for LS engines. These asymmetric DM 4000STRKR pistons are supplied as a set of eight for a 4.000 in. bore with a 1.115 CD and 5.20 cc volume to set compression. JE's Forged Side Relief forging minimizes skirt width and friction; optional accumulator grooves and skirt coatings help control ring flutter and wear. Forged from 2618 aluminum and finished in the USA for performance use.
JE Pistons LS ASYM DM 4000STRKR Set of 8 Pistons