Eagle B13554L03068 Balanced Street & Strip Rotating Assembly - 383 CID Small Block Chevy

The Eagle B13554L03068 is a balanced street and strip rotating assembly designed for small block Chevrolet 383 cubic inch engines with 1-piece rear main seal. This complete kit provides excellent performance, reliability, and value for naturally aspirated street engines producing up to 500 horsepower.

Complete Assembly Includes:

• Eagle cast steel crankshaft with 3.750-inch stroke and .092-inch fillet radiuses for improved strength
• Eagle SIR forged 5140 steel I-beam connecting rods with 5.700-inch center-to-center length
• 3/8-inch ARP 8740 capscrew rod bolts for superior clamping force
• Hypereutectic aluminum pistons with flat top design for 4.030-inch bore
• Plasma-moly piston rings with standard gap configuration
• King SI rod and main bearings for reliable lubrication
• Pioneer harmonic dampener and flexplate (balanced assembly ready to install)

The "B" prefix in the part number indicates this is a factory-balanced assembly from Eagle, eliminating the need for additional balancing at a machine shop. Eagle's rotating assemblies feature precision-matched components and superior surface finishes for improved oil flow and reduced wear, making them ideal for pump gas street performance applications.