Eagle B11421070 Balanced Engine Rotating Assembly - 8-Cylinder Kit

The Eagle B11421070 is a factory-balanced rotating assembly kit designed for 8-cylinder engine applications. As an Eagle Specialty Products rotating assembly, this kit delivers the high-strength internal engine components needed for performance street and strip builds, packaged as a ready-to-install unit.

The "B" prefix in the part number designates that this assembly has been balanced by Eagle prior to shipment, requiring no additional machine shop balancing before installation. Eagle performs all crankshaft balancing using precision computerized equipment and trained technicians.

Eagle Rotating Assembly kits typically include:

• Crankshaft (cast or forged steel depending on application)
• Connecting rods with high-strength rod bolts
• Pistons matched to the application
• Piston rings (plasma-moly or standard gap depending on spec)
• Rod and main bearings (King or Clevite)

Key Features:

• Factory-balanced assembly — no additional balancing required
• Engineered for 8-cylinder engine configurations
• Eagle Specialty Products is the largest aftermarket connecting rod and crankshaft manufacturer in the industry
• All components are test-fitted in-house to ensure proper fit and clearances
• Designed to support demanding performance applications

Eagle rotating assemblies are produced by Eagle Specialty Products, a brand with decades of experience building high-strength connecting rods and crankshafts for performance and racing engines. Verify compatibility with your specific engine application before ordering.