Wiseco Mitsubishi 4G63 87.00 mm Bore 28.87 mm CH 0.00 CC Piston Set

Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength. ArmorGlide™ Skirt Coating provides seizure resistance, friction reduction, and quieter operation. Features a fully machined crown with precision ring grooves, anti-detonation groove, and additional ring seal improving features. Designed with forced pin oiling and built to withstand heavy to severe duty performance applications. Includes performance piston ring set. These pistons feature a bore of 87mm (3.425 inches), a stroke of 100mm (3.937 inches), a rod length of 15mm (5.906 inches), and a compression height of 28.875mm (1.137 inches), with a -19.8cc dish and 22mm pin diameter. The compression ratio is 9.5:1 and comes as a set of 4 pistons.