JE Pistons forged piston kit for Mitsubishi 4G63 engines covering 2001–2007 Evolution VII–IX models. JE manufactures pistons in the USA with engine-specific geometry; this four-cylinder kit lists a 3.386" bore, 22mm pin and 10.00:1 compression with a flat-top profile. It uses 2618 aluminum and JE's FSR forging, plus accumulator groove and optional skirt coating where applicable, and ships with wrist pins, locks and JE Pro Seal rings.
JE Pistons MITSU EVO VII-IX KIT Set of 4 Pistons