Eagle B15454L04053 Street Performance Balanced Rotating Assembly - 454 Big Block Chevy

The Eagle B15454L04053 is a balanced street performance rotating assembly designed for big block Chevrolet 454 cubic inch engines with a 4.053" bore size. This complete internal rotating assembly delivers reliable performance for engines producing under 500 horsepower, making it ideal for street and mild performance applications.

Complete Assembly Includes:

• Cast steel crankshaft with .092" fillet radiuses for improved strength
• Eagle SIR I-beam connecting rods with 3/8" ARP 8740 capscrew bolts
• Hypereutectic aluminum pistons sized for 4.053" bore
• Hastings piston rings with standard or plasma-moly coating
• King SI series rod and main bearings
• Factory balanced - ready to install

Key Features:

• Pre-balanced assembly eliminates additional machine shop balancing costs
• Cast steel crankshaft features enhanced fillet radiuses for superior durability
• Forged 5140 steel I-beam rods bushed for full-floating piston pins
• Quality hypereutectic pistons provide excellent wear resistance and thermal stability
• Includes all necessary bearings and hardware for complete installation

Eagle Specialty Products manufactures high-strength engine components with smoother surface finishes than competitor products, allowing improved oil flow for better lubrication and reduced wear. This assembly is designed for use in 8-cylinder big block Chevrolet applications requiring reliable, cost-effective performance.