Eagle 10906030 BBC 454 Street Performance Rotating Assembly 8-Cylinder 0.030 Overbore

Eagle 10906030 Big Block Chevy Rotating Assembly

The Eagle 10906030 is a complete street performance rotating assembly designed for Chevrolet Big Block 454 engines with 8 cylinders and a 0.030-inch overbore. This comprehensive kit provides everything needed for the bottom end of your engine rebuild, delivering reliable performance for street and light performance applications producing up to 500 horsepower.

Complete Assembly Package

This rotating assembly includes all critical components for your engine's rotating assembly: cast steel crankshaft, I-beam connecting rods, hypereutectic pistons, piston rings, and main/rod bearings. Eagle's rotating assemblies eliminate the guesswork and compatibility concerns by providing factory-matched components engineered to work together seamlessly.

Quality Components

The kit features Eagle's cast steel crankshaft with enlarged fillet radiuses for improved strength and rigidity over OEM cranks. The crankshafts undergo precision grinding using Sunnen Kross grinding systems and are finished with Eagle's ESP Armor surface treatment for a mirror-like finish that promotes optimal oil flow. The I-beam connecting rods are manufactured from forged 5140 steel and include ARP 8740 fasteners for secure attachment. Hypereutectic aluminum pistons provide excellent strength-to-weight ratio for street performance applications.

Ready to Install

This assembly is designed for the 0.030-inch overbore configuration, making it ideal for engines requiring slight bore work. The kit includes file-fit piston rings and premium bearings, providing everything needed for a professional engine build. Part numbers beginning without "B" require balancing by a qualified machine shop before installation.

Application

Designed specifically for Chevrolet Big Block 454 engines, this 8-cylinder rotating assembly is ideal for street performance builds, muscle car restorations, and engine rebuilds where reliability and value are priorities.