SBC Balanced Rotating Assembly 383 .030

The SBC Balanced Rotating Assembly 383 .030 by Eagle is a complete rotating assembly designed for small-block Chevrolet builders who prioritize both reliability and performance. This fully balanced unit simplifies the process of sourcing individual components, as the crankshaft, connecting rods, and pistons are provided as a matched set, ready for installation by engine builders and enthusiasts alike.

Engineered to eliminate dynamic imbalance issues, this assembly reduces harmful vibrations at sustained RPM. The .030 over piston specification allows for a 383 cubic-inch displacement, making it suitable for various applications, including classic muscle cars and performance street machines. Eagle's rotating assemblies are precision-manufactured to OEM tolerances, ensuring proper fitment and performance when installed in a properly prepared block.

Ideal for engine builders, performance shops, and experienced home machinists, this assembly provides a solid foundation for serious displacement increases without the risk of balancing errors. Before installation, it is crucial to verify that your block has been bored to the appropriate specifications to ensure optimal performance.