Eagle Chevy 400 350 Mains 3.750in Crank 5.700in I-Beam Rods 4.165in Pistons Rotating Assembly

Eagle is well-known for building robust engine components, and this Pro Street rotating assembly is a prime example of their commitment to performance. If you're putting together a naturally-aspirated racing engine for your Chevy 400, this assembly is designed to handle the demands of the track. It brings together key rotating parts that work in harmony to convert combustion pressure into rotational force, forming the heart of your engine's power delivery.

At the core of this assembly is a 3.750-inch forged 4140 crankshaft featuring 350 main journal sizes, providing a solid foundation for high-performance builds. Paired with this are 5.700-inch I-beam connecting rods made from strong 4340 steel, secured with 7/16-inch ARP 8740 bolts for dependable strength under stress. The pistons are forged 4032 Icon flat-tops with a -5cc dish, measuring 4.165 inches in diameter, and come complete with plasma-moly file-fit rings for precise sealing. To ensure smooth operation and durability, the assembly includes King XP rod and main bearings.

This rotating assembly is specifically intended for naturally-aspirated racing applications. Please note that this part is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and break-in procedures to ensure optimal performance and longevity.