Eagle B13552L04053 Balanced Rotating Assembly Kit - Small Block Chevy 8-Cylinder

The Eagle B13552L04053 is a complete balanced rotating assembly designed for small block Chevrolet V8 engines. This street performance kit delivers reliable power for engines producing up to 500 horsepower, offering an excellent balance of strength, performance, and affordability for rebuilds and performance builds.

Complete Assembly Includes:

• Cast steel crankshaft with precision machined journals
• Eagle SIR forged I-beam connecting rods with ARP bolts
• Hypereutectic aluminum pistons with rings, pins, and locks
• Rod and main bearings (King or Clevite)
• Harmonic balancer for external balance applications
• 153-tooth flexplate for automatic transmissions

Key Features:

• Factory balanced by Eagle - ready to install with no additional balancing required
• Designed for external balance small block Chevy applications
• Test-fitted in-house to ensure proper clearances and fit
• Cast steel crankshaft features larger fillet radiuses for improved strength over OE
• I-beam rods are forged from 5140 steel with bushed pin ends

This rotating assembly is engineered for street performance and street/strip applications. All Eagle components undergo strict quality control and inspection processes to ensure reliable operation. The balanced assembly saves time and expense by eliminating the need for separate component balancing at a machine shop.