Eagle Chevy 400 3.750in Crank 6.000in I-Beam Rods -5cc Flat Top 4.155in Pistons Rotating Assembly

If you're building a high-performance Chevy 400 engine for naturally-aspirated racing, this Eagle Pro Street rotating assembly is a solid foundation. It bundles together the critical rotating components you need to get your build started, ensuring they're balanced and ready to go.

At the heart of this assembly is a 3.750-inch forged 4340 crankshaft, known for its strength and durability under demanding conditions. Paired with it are 6.000-inch I-beam connecting rods, also forged from 4340 steel, and secured with 7/16-inch ARP 8740 bolts. These rods are well-built to handle the stresses of racing. The pistons are forged 4032 aluminum from ICON, featuring a -5cc flat top design and a 4.155-inch bore, ready for your chosen piston rings. This assembly also includes KING XP rod and main bearings, which are designed for excellent performance and wear resistance in performance applications.

This rotating assembly is designed for serious performance builds. Keep in mind that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and balancing procedures.