Eagle B1613700057 Balanced Rotating Assembly Bore - 4.000 8-Cylinder

The Eagle B1613700057 is a complete balanced rotating assembly designed for high-performance 8-cylinder engine builds. This premium kit delivers race-proven durability with components engineered to work together seamlessly.

Key Components:

• Forged 4340 steel crankshaft with 4.000" stroke for exceptional strength and durability
• 6.200" H-beam connecting rods constructed from high-strength forged steel
• 7/16" ARP 8740 rod bolts for superior clamping force and reliability
• Forged 4032 aluminum Icon pistons with -15.8cc inverted dome design
• 4.000" bore diameter pistons for precise fitment
• Factory balanced assembly—ready for installation without additional balancing

Eagle Specialty Products rotating assemblies are trusted by engine builders worldwide for their quality construction and performance value. The forged 4340 crankshaft provides superior strength over cast cranks, while the H-beam connecting rods offer excellent rigidity for demanding applications. This complete kit includes everything needed for the rotating assembly portion of your engine build.