Eagle B1612103057 Balanced Rotating Assembly Kit - SBC 383 3.750" Stroke

The Eagle B1612103057 is a complete balanced rotating assembly designed for Chevrolet small block 383 cubic inch engine builds. This Street & Strip performance assembly offers an excellent balance of performance, reliability, and affordability for engines producing under 500 horsepower.

Complete Kit Includes:

• Balanced 3.750" cast steel crankshaft
• 6.250" I-beam connecting rods with 3/8" ARP 8740 bolts
• Forged 4032 aluminum SRP pistons with -32cc inverted dome design
• Pistons sized for 4.030" bore
• Piston rings (file-fit)
• Rod and main bearings

Key Features:

• Factory balanced assembly - ready to install with no additional balancing required
• Cast steel crankshaft provides excellent durability for street and strip applications
• Forged I-beam rods with premium ARP 8740 fasteners
• Inverted dome piston design optimizes combustion chamber efficiency
• Ideal for performance street engines and weekend racing applications

This assembly is specifically designed for Chevrolet small block engines and provides a reliable foundation for building a 383 cubic inch stroker motor. The part number prefix "B" indicates this is a pre-balanced assembly, eliminating the need for machine shop balancing services before installation.