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JE Pistons' forged piston kit for the Mitsubishi 4B11T (87.0 mm bore) with a +0.2 mm dome configuration is engineered and machined in the USA for high‑demand performance applications. JE’s FSR forging reduces friction and weight while features like the accumulator groove and skirt coating improve ring seal and reduce wear. Each kit is application‑specific and includes high‑quality wrist pins, locks and JE Pro Seal premium rings for a complete, race‑capable piston set.
JE Pistons - Set of 4 Mitsubishi 4B11T 87.0mm Bore +.2 Dome Asymmetrical FSR Pistons - Set of 4
