Eagle B16033EA040 Street/Strip Rotating Assembly 8-Cylinder +0.040 Balanced

The Eagle B16033EA040 is a pre-balanced Street/Strip rotating assembly engineered for 8-cylinder engines with a +0.040" overbore. Designed and assembled by Eagle Specialty Products — the world's largest aftermarket connecting rod manufacturer — this kit delivers a performance-matched combination of components ready for street and strip use.

Eagle's balanced rotating assemblies (identified by the leading "B" in the part number) are precision-balanced in-house using Hines computerized balancers, eliminating the need for additional machine shop balancing before installation.

Kit Includes:

• Crankshaft — cast steel construction
• Connecting rods — forged 5140 steel I-Beam rods with ARP 8740 bolts
• Pistons — hypereutectic flat-top design, sized for +0.040" overbore
• Piston rings — plasma-moly standard gap rings
• Rod and main bearings — King SI series

Assembly Notes:

• "B" prefix confirms this assembly is pre-balanced by Eagle — no additional balancing required
• All assemblies are test-fitted at the Eagle facility prior to shipment
• Externally balanced versions include a Pioneer flexplate and harmonic damper as applicable

Eagle rotating assemblies are ideal for engine builders seeking a reliable, cost-effective foundation for high-performance 8-cylinder builds. Every component is sourced from industry-leading suppliers and verified to work together as a complete system.