Eagle B13304E030 Street Performance Rotating Assembly Kit 8-Cylinder Small Block Chevy .030 Over External Balance

The Eagle B13304E030 is a complete Street Performance Rotating Assembly designed for 8-cylinder Small Block Chevy engines built to .030 over bore. This externally balanced kit delivers a proven combination of performance, reliability, and affordability, making it an ideal solution for engine builders targeting applications up to 500 horsepower.

What's Included:

• Cast Steel Crankshaft – Engineered for durability in street and mild performance applications
• Eagle "SIR" I-Beam Connecting Rods – Forged 5140 steel construction, an upgrade over OEM rods
• Hypereutectic Pistons – Sized at .030 over for reliable performance and thermal stability
• Piston Rings – Matched to the included pistons for proper seal and oil control
• Rod and Main Bearings – Included for a complete rotating assembly build

Assembly Notes:

• Externally balanced configuration – requires a compatible externally balanced harmonic damper and flexplate (purchased separately)
• All rotating assemblies are test-fitted in-house at Eagle to ensure proper component fitment before shipping
• Sold as a complete balanced kit

Eagle Specialty Products is the largest aftermarket connecting rod manufacturer in the world, bringing decades of engineering expertise to every rotating assembly. The B13304E030 kit simplifies the engine build process by supplying pre-matched, quality-tested components in a single package.