Wiseco Professional Series forged piston set for Mitsubishi 4G63 engines (1996–2007 Evo) at 85.50 mm bore with 0.50 mm oversize and 28.87 mm compression height is built for heavy to severe duty race builds. Forged in the USA from 2618 aluminum, these pistons feature precision ring grooves, an anti‑detonation groove, ArmorGlide skirt coating for seizure resistance and reduced friction, plus provisions for forced pin oiling.
Wiseco 96-07 Mitsubishi EVO 85.5mm Bore 0.50mm Oversize 28.87 Comp Height Piston Set