Wiseco 1400 HD Mitsu EVO 8 - 4G63 Turbo -21cc Piston Shelf Stock Kit

The Wiseco K627M86AP is a Professional Series forged racing piston set for Mitsubishi 4G63 engines. These pistons are engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength. They feature ArmorGlide® Skirt Coating for seizure resistance, friction reduction, and quieter operation, as well as a fully machined crown, precision ring grooves, anti-detonation groove, and forced pin oiling. Designed for heavy to severe duty race builds, this set includes four pistons with a bore diameter of 86.00 mm and a compression height of 28.87 mm, providing a piston volume of -21.00 CC for a 9.2:1 compression ratio.