Eagle B1652503064 Balanced Rotating Assembly 4.000" Stroke 6.200" Rods 4.030" Bore

The Eagle B1652503064 is a pre-balanced rotating assembly designed for performance engine builds. This complete Street & Strip kit provides excellent value and reliability for engines producing under 500 horsepower, eliminating the need for additional machine shop balancing work.

Complete Assembly Includes:

• 4.000" stroke cast steel crankshaft with .092" radiuses
• 6.200" Eagle SIR I-beam connecting rods
• 3/8" ARP 8740 bolt upgrade for enhanced strength
• Hypereutectic KB aluminum pistons with -6.5cc flat top design at 4.030" bore
• Plasma-moly piston rings
• King SI rod and main bearings

Key Features:

• Factory balanced by Eagle - ready to install with no additional balancing required
• Cast steel crankshaft provides excellent durability for street applications without power adders
• ARP 8740 fasteners ensure reliable rod bolt strength
• Hypereutectic pistons offer superior heat resistance and longevity compared to standard cast pistons
• Complete kit approach saves time and ensures component compatibility

This rotating assembly is ideal for rebuilders and performance enthusiasts looking for a reliable, cost-effective solution for small block Chevy engine builds. The part number prefix "B" indicates this assembly has been precision-balanced at the factory, saving installation time and costs.