Eagle 128284125 LS7 Competition Rotating Assembly 4.125" Bore

The Eagle 128284125 is a high-performance Competition Rotating Assembly designed for LS7 and LSX engines. This complete rotating assembly kit is engineered to deliver ultimate strength and reliability for demanding applications producing up to 750 horsepower.

Complete Assembly Includes:

• Eagle 4340 forged steel crankshaft with center counterweights for enhanced durability
• Eagle H-beam connecting rods with 7/16" ARP 8740 bolts for superior strength
• CP forged 2618 aluminum pistons with -4.6cc flat top design
• Hastings piston rings for optimal sealing
• High-performance rod and main bearings

Specifications:

• Bore Size: 4.125"
• Rod Length: 6.125"
• 24-tooth reluctor ring compatible
• Internal balance design

Eagle Competition rotating assemblies are built with premium components to offer exceptional performance and longevity at an affordable price point. The forged 4340 steel crankshaft provides maximum strength, while the H-beam rods are designed to handle high-RPM operation and extreme cylinder pressures. This assembly is ideal for serious street performance builds, road racing, and high-boost forced induction applications.