Eagle 637153913 8-Cylinder Engine Rotating Assembly Kit

The Eagle Specialty Products 637153913 is a complete engine rotating assembly engineered for 8-cylinder applications. Eagle Specialty Products is a well-established manufacturer of high-performance engine internals, and their rotating assembly kits are designed to provide a matched, pre-tested combination of core engine components in a single package.

• Crankshaft (cast or forged, depending on application)
• Connecting rods (I-Beam or H-Beam, depending on configuration)
• Pistons with pins and locks
• Piston rings
• Rod and main bearings (King or Clevite)

Key Features:

• All components are test-fitted at the Eagle factory to ensure proper fitment and function
• Available in balanced and unbalanced configurations — balanced assemblies are ready for engine assembly without additional machine shop balancing
• Connecting rods feature ARP bolts for reliable fastener integrity under high-stress conditions
• Piston and ring combinations are matched to the intended performance level of the assembly
• Externally balanced assemblies include a Pioneer harmonic damper and flexplate where applicable