Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 87.00mm - Single Piston

This listing is for a single Wiseco HD2 Asymmetric Skirt forged piston, designed for Mitsubishi 4G63 EVO 4-9 engines. It features a bore size of 87.00mm and includes gas porting, making it suitable for heavy to severe duty race builds where durability and performance are critical. The piston is forged and machined in the USA from 2618 aluminum, chosen for its improved tensile strength under demanding conditions.

Wiseco has incorporated several features to enhance performance and longevity. The piston crown is fully machined, and it includes forced pin oiling to ensure proper lubrication. Precision ring grooves, an anti-detonation groove, and additional ring seal features work together to improve compression and reduce blow-by. The ArmorGlide skirt coating is applied to reduce friction, resist seizure, and contribute to quieter operation, which is notable for a high-performance racing component.

This piston is intended for serious racers and builders looking for a well-built component that can withstand extreme performance applications. Please note that this part is not CARB approved and cannot be shipped to California.