Eagle 890211005 Competition Rotating Assembly Subaru EJ25 263 CID 4-Cylinder

The Eagle 890211005 is a high-performance competition rotating assembly engineered specifically for Subaru EJ25 engines, delivering 263 cubic inches of displacement. This complete internal engine kit is designed for serious performance builds and racing applications where durability and power-handling capability are critical.

Complete Assembly Includes:

• 3.268-inch stroke billet 4340 steel crankshaft with precision machining
• 5.137-inch H-beam forged connecting rods manufactured from two-piece forgings
• 3/8-inch ARP 2000 fastener bolts for superior clamping force
• Forged 2618 aluminum Diamond pistons with -26cc inverted dome design
• 100.5mm bore pistons for optimized cylinder fill
• Plasma-moly file-fit piston rings for precise ring gap control
• King XP performance rod and main bearings

Performance Features:

• Fully machined and shot-peened connecting rod surfaces for maximum fatigue resistance
• Weight-matched components ensure smooth operation and reduced vibration
• Billet 4340 crankshaft provides exceptional strength for high-boost and high-RPM applications
• Forged 2618 aluminum pistons handle extreme cylinder pressures and temperatures
• ARP 2000 rod bolts deliver competition-grade clamping force and reliability

This assembly is recommended for competition use in Subaru EJ20 and EJ25 engines commonly found in WRX, STI, Legacy, Forester, and Impreza models. The inverted dome piston design accommodates forced induction applications while maintaining optimal combustion chamber geometry. All components are precision-manufactured to exact tolerances and balanced for professional engine builds producing well over 500 horsepower.