JE Pistons 8-cylinder forged piston kit for LS engines. These asymmetric DM 4000STRKR pistons come as a set of eight sized for a 4.010 in. bore with a 1.115 CD and 4.90 cc volume to tune compression. JE's FSR forging minimizes skirt width and friction; accumulator grooves and skirt coatings where used help maintain ring seal and reduce wear. Forged from 2618 aluminum and completed in the USA.
JE Pistons LS ASYM DM 4000STRKR Set of 8 Pistons