Wiseco K667M865AP Professional Series Forged Piston Set Mitsubishi - 4G63T 86mm

The Wiseco K667M865AP Professional Series forged racing piston set is a no-expense-spared design engineered for serious racers and builders, packed with custom-level performance and durability features for heavy to severe duty race builds. This four-piston set is specifically designed for Mitsubishi 4G63T engines with 86.00mm bore and 28.87mm compression height.

Key Features:

• 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
• Includes premium ring sets and wrist pins (0.866 inch/22mm diameter)
• Fully machined crown surfaces with precision-tuned ring grooves
• Designed for Mitsubishi Evolution, Eclipse, Talon, and other 4G63T applications

This complete piston set provides everything needed for a professional rebuild or performance upgrade. The 2618 aluminum forging offers superior strength under extreme RPM and high-stress conditions, making these pistons ideal for turbocharged and high-boost applications. The ArmorGlide coating minimizes scuffing during break-in while reducing friction for maximum power output.