Eagle Chevy 400 350 Mains 3.750in Crank 5.700in I-Beam Rods -16cc 4.155in Pistons Rotating Assembly

This is the Eagle Pro Street rotating assembly, built for Chevy 400 engines using 350 main journal sizes. It’s a well-built package designed for naturally-aspirated racing applications, giving you a solid foundation for a performance build. When you're putting together a serious engine, the rotating assembly is where it all starts – it's the heart of your powerplant, converting the up-and-down motion of the pistons into the rotational force that drives your vehicle.

Inside this assembly, you'll find a forged 4340 steel crankshaft with a 3.750-inch stroke, paired with 5.700-inch long I-beam connecting rods made from the same strong 4340 material. These rods are secured with 7/16-inch ARP 8740 bolts, known for their reliability under stress. The pistons are forged 4032 aluminum with an inverted dome design, featuring a -16cc volume and a 4.155-inch bore size, which helps achieve a specific compression ratio for racing. The assembly also includes plasma-moly file-fit piston rings and King XP rod and main bearings, ensuring smooth operation and durability.

This rotating assembly is a comprehensive package for those looking to build a high-performance, naturally-aspirated engine. It’s important to note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and break-in procedures to ensure the longevity and performance of your new engine components.