Eagle B13555L04068 Balanced Rotating Assembly Small Block Chevy CID - 355

The Eagle B13555L04068 is a complete balanced rotating assembly designed for small block Chevrolet 355 cubic inch engines with 4.068" bore. This factory-balanced assembly delivers reliable performance for street and mild performance applications producing up to 500 horsepower.

Complete Assembly Includes:

• Eagle cast steel crankshaft with 3.480" stroke for proven durability
• Eagle SIR I-beam connecting rods with 5.700" center-to-center length
• Hypereutectic aluminum pistons engineered for thermal stability
• Hastings piston rings with standard gap specifications
• Quality rod and main bearings for proper lubrication

Key Features:

• Factory balanced by Eagle - no additional balancing required before installation
• Compatible with small block Chevy Gen I engines
• Displacement: 355 CID when bored 0.030" over standard 350 block
• Ideal for street performance, daily drivers, and mild performance builds

The "B" prefix in the part number designates this as a balanced assembly, saving time and money during installation. Eagle's precision manufacturing ensures smooth operation and extended engine life when properly installed with appropriate machine work and assembly procedures.