Eagle Chevy 400 3.750in Crank 6.000in I-Beam Rods -16cc 4.165in Pistons Balanced Assembly

If you're building a street-driven Chevy 400 that needs to handle pump gas and run naturally aspirated, this balanced rotating assembly from Eagle is a solid foundation. It's designed to give you reliable performance for everyday driving and spirited runs without needing race fuel.

This assembly includes a 3.750-inch cast crankshaft, paired with 6.000-inch I-beam connecting rods. These rods are beefed up with 3/8-inch ARP 8740 bolts, which are known for their strength and reliability in performance applications. The pistons are forged 4032 DSS units with an inverted dome design, featuring a -16cc dish to help achieve a pump-gas-friendly compression ratio. They come with plasma-moly file-fit rings, meaning you can precisely gap them to your engine's needs for optimal sealing and performance. King rod and main bearings are also included, providing well-built support for the rotating assembly.

This rotating assembly comes balanced from Eagle, which is a critical step to ensure smooth operation and longevity in your engine. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and break-in procedures.