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The JE Pistons forged piston kit for Mitsubishi 4G63 engines (2001–2007 Evolution VII–IX) supplies four pistons crafted for high-demand builds. Using JE’s proprietary FSR forging and 2618 aluminum, the design reduces skirt friction and rotating mass while preserving strength. Accumulator grooves and skirt coatings are applied as needed to enhance ring sealing. Each kit includes wrist pins, locks and JE Pro Seal rings, fully made in the USA.
JE Pistons MITSU 4G63 94STR KIT Set of 4 Pistons
