Eagle 638163780 Competition Rotating Assembly for 8-Cylinder Engine

The Eagle 638163780 is a high-performance competition rotating assembly designed for serious 8-cylinder engine builds. Eagle Specialty Products is renowned for manufacturing precision-engineered engine components that deliver exceptional strength and reliability for racing and high-performance applications.

Complete Assembly Includes:

• Forged 4340 steel crankshaft with optimized counterweights for superior balance
• Forged connecting rods with high-strength ARP fasteners
• Purpose-built forged pistons with rings and pins
• Premium engine bearings for main and rod journals
• All hardware necessary for installation

Eagle rotating assemblies are engineered as complete systems where each component is precisely matched for optimal performance. The forged construction provides the durability needed for high-horsepower builds, forced induction applications, and racing environments. These assemblies typically come balanced or ready for final balancing by your machine shop, depending on your specific application requirements.

Quality Features:

• Forged 4340 chromoly steel crankshaft for maximum strength
• CNC-machined components for precise tolerances
• Engineered for competition and high-performance street use
• Compatible with various aftermarket and performance upgrades