The Wiseco Professional Series forged piston set for Mitsubishi 4G63 applications with an 86.50 mm bore is a four-piece kit built for heavy-duty turbo use. Forged and machined in the USA from 2618 aluminum, these pistons include precision ring grooves, an anti-detonation groove, forced pin oiling and a machined crown. ArmorGlide skirt coating reduces friction and resists seizure, and premium rings are supplied for race builds.
Wiseco Mits Turbo DISH -17cc 1.378 X 86.5 Piston Kit