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JE Ultra Series forged piston set for Mitsubishi 4G63 engines for 2001–2007 Evolution VII–IX applications, sized to an 85mm bore with 10.0:1 compression in a four‑piston kit. These Ultra pistons utilize JE’s Aligned Grain Flow forging, thermal barrier crown coating, skirt coating and enhanced pin oiling to preserve ring seal under boost. High‑strength wrist pins are included and the pistons are made in the USA.
JE Pistons Ultra Series Mitsubishi EVO 7-9 4G63 85mm Bore 10.0:1 CR Set of 4 Pistons
