The Wiseco Professional Series forged piston set for Mitsubishi 4G63 engines is intended for severe-duty race use. This four-piston set of forged 2618 aluminum (86.25 mm bore, 28.70 mm compression height, 0.8661 in. pin) includes premium rings and benefits from ArmorGlide skirt coating, precision ring grooves, an anti-detonation groove, fully machined crowns and forced pin oiling to help resist seizure and preserve ring sealing under load.
Wiseco Mitsubishi 4G63 86.25 mm Bore 28.70 mm CH -12.00 CC Piston Set