Wiseco K548M8625 Mitsubishi 4G63 Gen 2 Forged Piston Set 86.25mm Bore 8.0:1 Compression

The Wiseco K548M8625 is a high-performance forged piston set engineered for the Mitsubishi 4G63 Generation 2 engine. Manufactured from 2618 aerospace aluminum alloy, these pistons deliver exceptional strength-to-weight ratio and durability for turbocharged and high-performance applications.

Key Features:

• 86.25mm bore size (3.396 inches) for optimal fitment
• 8.0:1 compression ratio designed for forced induction applications
• 2618 aerospace aluminum forging for superior strength and heat resistance
• ArmorGlide skirt coating reduces friction and piston noise while improving longevity
• Engineered and forged in Mentor, Ohio using advanced CNC machining processes
• Optimized crown thickness and ring lands for turbo and nitrous applications
• Precision diamond-turned finish ensures perfect dimensional accuracy

Wiseco pistons are manufactured using dedicated in-house forgings and undergo extensive heat-treating and finishing processes. With over 80 years of motorsports experience, Wiseco delivers the performance and reliability demanded by serious enthusiasts and racers. This piston set provides a perfect foundation for turbocharged builds where strength and durability are paramount.