Eagle Specialty Products B13305E030 Balanced Street and Strip Rotating Assembly Small Block Chevy 350 383ci

The Eagle Specialty Products B13305E030 is a balanced street and strip rotating assembly designed for small block Chevy 350 engines. This complete kit provides a reliable, cost-effective solution for engine builds producing up to 500 horsepower, delivering 383 cubic inches with a .030 inch overbore.

Complete Assembly Includes:

• Cast steel crankshaft with 3.750-inch stroke for increased displacement
• Eagle SIR forged 5140 steel I-beam connecting rods with 5.700-inch center-to-center length
• 3/8-inch ARP 8740 capscrew bolts for superior rod cap retention
• Hypereutectic pistons sized for 4.030-inch bore
• Piston rings with plasma-moly coating
• King SI series rod and main bearings
• Harmonic balancer and flexplate

Each rotating assembly is balanced and test-fitted at the factory to ensure all components work together properly. The cast steel crankshaft features improved fillet radiuses for enhanced strength over stock units. Eagle's SIR I-beam rods provide excellent durability for street and strip applications while maintaining affordability. This internally balanced assembly is ideal for street performance, muscle car restorations, and weekend bracket racing applications.