Eagle B13022L03053 Street Strip Rotating Assembly Small Block Chevy - 350

The Eagle B13022L03053 is a factory-balanced street and strip rotating assembly designed for 1986-and-newer Small Block Chevy engines with 1-piece rear main seals. This complete assembly is engineered for affordable performance and reliability in engines producing less than 500 horsepower.

Complete Assembly Includes:

• Eagle cast steel crankshaft with 3.480-inch stroke and .092-inch fillet radiuses for enhanced strength
• Eagle "SIR" forged 5140 steel I-beam connecting rods with 5.700-inch center-to-center length
• High-quality hypereutectic pistons (KB, SRP, or Mahle depending on configuration)
• Premium piston rings (Hastings plasma-moly or standard)
• Clevite or King performance bearings

The "B" prefix in the part number indicates this assembly has been precision-balanced by Eagle and requires no additional balancing before installation. This rotating assembly is ideal for street performance builds, weekend cruisers, and mild racing applications where durability and value are priorities.

Key Features:

• Factory-balanced for immediate installation
• Internal balance configuration
• Cast steel crankshaft with improved fillet radiuses over OEM
• Forged I-beam connecting rods for strength and reliability
• Compatible with standard 350 main journals (2.450-inch)
• Designed for naturally-aspirated, pump-gas applications

This assembly provides an excellent upgrade path from worn factory components while maintaining excellent street manners and long-term reliability. The complete kit approach eliminates compatibility concerns and ensures all components are properly matched and balanced as a system.