Eagle 86221855 Complete Rotating Assembly Mitsubishi - 4G63 85.5mm

The Eagle 86221855 is a high-performance complete rotating assembly engineered specifically for the 1993-1997 Mitsubishi 4G63 turbocharged four-cylinder engine. This assembly is test-fitted in-house by Eagle to ensure all components work perfectly together, providing a reliable foundation for high-horsepower builds in Mitsubishi Evolution, Eclipse, and Eagle Talon applications.

Complete Assembly Includes:

• 3.465-inch stroke forged 4340 steel crankshaft for exceptional strength
• 5.900-inch H-beam connecting rods with 3/8-inch ARP 2000 bolts
• Forged 2618 aluminum MAHLE pistons with -10cc inverted dome design, 85.5mm bore
• Plasma-moly file-fit piston rings
• King XP performance rod and main bearings

The forged 4340 center-counterweighted crankshaft and forged H-beam connecting rods with ARP 2000 bolt upgrade provide the durability needed for high boost levels and demanding performance applications. The 4G63T engine has a legendary motorsport heritage, powering World Rally Championship-winning Mitsubishi Lancer Evolution vehicles, making this rotating assembly an excellent choice for serious performance enthusiasts and engine builders.

This balanced rotating assembly is ready for installation and designed to support significant power increases over stock configurations. Perfect for turbocharged street performance, racing, or complete engine rebuilds requiring maximum reliability and strength.