Eagle B13304L04068 Street Performance Rotating Assembly - 383ci SBC 4.068" Bore

The Eagle B13304L04068 is a balanced rotating assembly designed for small block Chevy 383 cubic inch applications with a 4.068-inch bore. This complete street performance rotating assembly is professionally balanced by Eagle and ready to install, eliminating the need for additional balancing services.

Complete Assembly Includes:

• Eagle cast steel crankshaft with precision-ground journals
• Eagle SIR (Super I-Beam Rod) forged 5140 steel I-beam connecting rods
• High-quality hypereutectic aluminum pistons
• Premium piston rings with plasma-moly coating
• Performance engine bearings

Eagle Street Performance rotating assemblies are engineered to provide reliable performance for engines producing up to 500 horsepower. Each assembly is test-fitted at Eagle's facility to ensure proper clearances and compatibility. The cast steel crankshaft features larger fillet radiuses for improved strength over OEM designs, while the I-beam connecting rods include ARP 8740 capscrew bolts for secure, dependable operation.

Application: Small Block Chevrolet 383ci with 4.068-inch bore. This is a balanced assembly (indicated by the "B" prefix) and requires no additional balancing work before installation.