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JE Pistons eight-piece forged piston kit for GM LS engines, 4.080-inch bore oversize with a -30cc asymmetrical FSR dish design. Forged in the USA from 2618 aluminum, these pistons use JE’s Forged Side Relief (FSR) geometry to reduce friction and weight, and can include skirt coatings and accumulator grooves where specified to improve ring seal and durability in high-demand domestic racing and performance builds.
JE Pistons GM LS 4.080in Bore LS3 Oversize -30cc Asymmetrical FSR Dish Pistons - Set of 8
