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This JE forged piston set is sized for GM LS engines at 4.080 in. bore with .015 oversize and a 10.5cc asymmetrical dish, sold as an eight‑piston kit. Forged from 2618 aluminum and made 100% in the USA, JE’s design uses proprietary Forged Side Relief (FSR) shapes to reduce skirt friction and weight while accumulator grooves and optional skirt coatings improve ring seal and wear characteristics. Engine-specific machining supports high-demand racing and performance use.
JE Pistons GM LS 4.080in Bore .015 Oversize -10.5cc Asymmetrical Dish/Inverted Dome - Set of 8
