Eagle 86251860 Competition Rotating Assembly - Mitsubishi 4G63 86mm 3.465" Stroke

The Eagle 86251860 is a high-performance competition rotating assembly engineered for Mitsubishi 4G63 turbocharged engines. This complete internal engine kit is designed to deliver maximum strength and reliability for demanding high-boost and high-horsepower applications.

Complete Assembly Includes:

• Forged 4340 steel crankshaft with 3.465" stroke for enhanced durability
• Eagle H-Beam connecting rods at 5.900" center-to-center length
• 3/8" ARP 2000 rod bolts for superior clamping force
• Forged 2618 aluminum Mahle pistons with -10cc inverted dome design at 86mm bore
• Premium piston rings and high-performance bearings

This assembly utilizes Eagle's forged 4340 steel crankshaft, known for exceptional strength in racing applications. The H-Beam connecting rods feature ARP 2000 fasteners, providing reliable performance under extreme cylinder pressures. The forged 2618 Mahle pistons are specifically designed for turbocharged engines, offering excellent thermal stability and resistance to detonation.

Key Features:

• Competition-grade components for maximum strength and reliability
• Forged 4340 steel construction throughout rotating components
• Engineered for high-boost turbo applications
• Precision-balanced assembly ready for installation
• Ideal for 500+ horsepower Mitsubishi 4G63 builds

This rotating assembly is perfect for enthusiasts building high-performance Mitsubishi Eclipse, Eagle Talon, Lancer Evolution, or other 4G63-powered vehicles for road racing, drag racing, or street/strip applications. Professional balancing by a qualified machine shop is recommended before installation.