Wiseco 6626M855AP Forged Piston 85.5mm Bore Mitsubishi 4G63 Turbo

The Wiseco 6626M855AP is a high-performance forged piston engineered for Mitsubishi 4G63 turbocharged engines, commonly found in Evolution models. This professional-grade piston features an 85.50mm bore diameter, 35.00mm compression height, and 0.866-inch wrist pin diameter, designed to deliver exceptional strength and durability in demanding turbocharged applications.

Key Specifications:

• Bore Diameter: 85.50mm
• Compression Height: 35.00mm
• Wrist Pin Diameter: 0.866 inches (22mm)
• Stroke: 88.00mm
• Rod Length: 150.00mm
• Compression Volume: -14cc
• Sold as single piston

Performance Features:

• Forged from premium 4032 or 2168 aluminum alloy for superior strength
• Precision CNC-machined to exacting tolerances
• Engineered to handle extreme boost pressures from turbochargers
• ArmorGlide skirt coating available for reduced friction and wear
• Manufactured in the USA at Wiseco's Mentor, Ohio facility

Wiseco pistons are forged using state-of-the-art equipment and designed specifically for racing and high-performance applications. Each piston undergoes rigorous quality control to ensure it meets the demanding standards required for turbocharged, nitrous, and supercharged applications. Whether you're building a street performance engine or a full competition motor, Wiseco pistons deliver proven reliability under extreme conditions.