Wiseco Mitsu 4G64 w/4G63 Heads 10.5:1 E85 Piston Shelf Stock

Forged from 2618 aluminum, this Wiseco piston is built for serious performance in your Mitsubishi 4G64 engine when using 4G63 heads. The 86.50 mm bore size and 10.5:1 compression ratio are specifically chosen for E85 fuel applications, offering a solid foundation for a high-output build. This piston is designed to handle the stresses of heavy to severe duty performance use, making it a reliable choice for racers and dedicated builders.

Wiseco includes several features to enhance durability and performance. The piston crown is fully machined, and it incorporates precision ring grooves, an anti-detonation groove, and additional features for improved ring seal. For reduced friction and quieter operation, the skirt is coated with ArmorGlide, which also helps prevent seizure. The forced pin oiling design ensures the piston pin receives adequate lubrication, critical for longevity under demanding conditions.

This piston is sold individually, so be sure to order the correct quantity for your engine. It's important to note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly details.