Eagle B20410040 Street Performance Balanced Rotating Assembly Cylinder - 8

The Eagle B20410040 is a pre-balanced street performance rotating assembly designed for 8-cylinder engine applications. This complete internal engine kit provides reliability, affordability, and performance for engines producing up to 500 horsepower, making it an excellent choice for street performance and mild performance builds.

Complete Assembly Includes:

• Eagle cast steel crankshaft with improved fillet radiuses for enhanced strength
• Eagle SIR (Super I-Beam Rod) forged 5140 steel I-beam connecting rods
• ARP 8740 chromoly fasteners for superior clamping strength
• Hypereutectic aluminum pistons with rings
• Hastings piston rings (standard or moly)
• Premium engine bearings (rod and main)

Key Features:

• Factory balanced by Eagle - no additional balancing required
• Part numbers beginning with "B" indicate pre-balanced assemblies ready to install
• Cast steel crankshaft provides excellent durability for street applications
• Forged I-beam connecting rods offer strength and reliability
• Quality components engineered to work together as a complete system

Eagle Specialty Products manufactures high-quality engine components using certified steel, multi-stage heat treating, and rigorous quality control including sonic testing and magna-fluxing. This rotating assembly offers exceptional value for engine builders seeking reliable performance without breaking the budget.