Wiseco Mitsubishi 4G93/94 81.50mm Std Bore 1.190in CH -2.50cc - Single Piston

Wiseco is well-known for making strong internal engine components, especially for performance builds. This single forged piston is built for Mitsubishi 4G93 and 4G94 engines, with a standard bore size of 81.50mm. It's designed for builders who are pushing their engines hard, whether for racing or severe duty applications.

This piston is forged and machined in the USA from 2618 aluminum, which gives it improved tensile strength over cast aluminum. It features precision ring grooves, an anti-detonation groove, and other features to help seal the rings better. The piston crown is also fully machined, and it includes forced pin oiling to keep the wrist pin lubricated. For added durability and reduced friction, the skirt is coated with ArmorGlide, which helps prevent seizure and makes operation quieter.

Keep in mind that this piston is not CARB approved and cannot be shipped to California. It's sold individually, so you'll need to order the correct quantity for your engine.