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JE Pistons' forged piston kit for the Mitsubishi 4B11T (87.0 mm bore) is built for racing and high‑demand applications, engineered, forged and machined in the USA. The proprietary Forged Side Relief (FSR) design minimizes friction and saves weight, while the accumulator groove and optional skirt coating help improve ring seal and reduce wear. Kits are tailored to the specific engine and include high‑quality wrist pins, locks and JE Pro Seal premium rings for a complete forged piston solution.
JE Pistons - Set of 4 Mitsubishi 4B11T 87.0mm Bore -6.8 Dome Asymmetrical FSR Pistons - Set of 4
