Eagle B13056L03053 Street Strip Rotating Assembly Small Block Chevy - 383ci

The Eagle B13056L03053 is a complete balanced Street & Strip rotating assembly engineered for small block Chevrolet engines with 1-piece rear main seals. This comprehensive kit delivers 383 cubic inches of displacement and is designed for naturally aspirated, pump gas street engines producing up to 500 horsepower.

Complete Assembly Includes:

• Eagle cast steel crankshaft with 3.750" stroke and external balance
• Eagle "SIR" forged 5140 steel I-beam connecting rods with 5.700" center-to-center length
• 3/8" ARP 8740 capscrew bolts for superior clamping force
• Forged 4032 aluminum Mahle pistons with -5cc flat top design at 4.030" bore (.030" oversize)
• Plasma-moly standard gap piston rings for excellent sealing
• King SI series rod and main bearings
• 153-tooth flexplate for automatic transmissions
• Harmonic balancer for external balance applications

This assembly is factory-balanced by Eagle and requires no additional balancing before installation. The cast steel crankshaft features .092" fillet radiuses for improved strength and rigidity over stock components. All components are test-fitted in-house to ensure proper clearances and compatibility.