Eagle 35801040 V8 Engine Rotating Assembly Kit

The Eagle 35801040 is a complete rotating assembly kit designed for 8-cylinder engine applications. Eagle Specialty Products is a leading manufacturer of high-performance engine components, offering complete rotating assemblies that include a crankshaft, connecting rods, pistons, rings, and bearings for a broad range of popular engine combinations.

Eagle rotating assemblies are test-fitted at the factory to ensure all components work together properly before shipping. Each kit is built around quality-matched components selected to maximize performance, reliability, and durability across street, street/strip, and competition use cases.

Kit Contents (typical for Eagle 8-cylinder rotating assemblies):

• Crankshaft — cast steel or forged 4340 steel depending on application tier
• Connecting rods — forged 5140 steel I-Beam (SIR) or forged H-Beam with ARP 8740 bolt hardware
• Hypereutectic or forged aluminum pistons sized to application
• Plasma-moly or file-fit piston rings
• King or Clevite rod and main bearings

Eagle Quality Standards:

• Certified steel used in all crankshaft and rod production
• Multi-stage heat treating, sonic testing, and magna-fluxing for reliability assurance
• CNC rod big-end sizing and cap alignment sleeves for consistent tolerances
• Full-floating piston pins with silicon-bronze rod bushings for reduced friction
• All assemblies are available balanced or unbalanced to suit your machine shop preference

Important Notes: Assemblies not prefixed with "B" in the part number require balancing by a qualified machine shop prior to installation. Minor block clearancing at the pan rails may be required depending on application. Verify compatibility with your specific engine block before ordering.

Eagle Specialty Products provides quality rotating assemblies to professional engine builders and performance enthusiasts worldwide, backed by an extensive selection of over 2,400 balanced rotating assembly configurations.