Wiseco Mitsubishi 4G63 86.25 mm Bore 28.70 mm CH 1.90 CC Piston Set

This is a set of four forged pistons from Wiseco, designed for Mitsubishi 4G63 engines. Each piston measures 86.25 mm in bore diameter, has a compression height of 28.70 mm, and features a 1.90 CC dish volume. These pistons are built from 2618 aluminum, a material chosen for its improved tensile strength, making them well-suited for demanding performance builds.

Wiseco has included several features to enhance performance and durability. The pistons have precision ring grooves, an anti-detonation groove, and other features aimed at improving ring seal. They also come with an ArmorGlide skirt coating, which helps reduce friction, resist seizure, and contribute to quieter operation. The fully machined crown and forced pin oiling are additional details that show these are built for heavy to severe duty use. These are intended for serious racers and builders who need robust components for their engines.

This set is not CARB approved and cannot be shipped to California. It's important to note that these pistons are designed for competition use and may require specific supporting modifications and tuning for optimal performance and reliability in your build.