Eagle Chevy 400 3.750in Crank 5.700in H-Beam -36cc 4.155in Pistons Rotating Assembly

Eagle is well-known for building robust engine components, and this rotating assembly is a prime example of their commitment to strength for demanding applications. If you're building a Chevy 400 engine for serious competition, whether it's for exotic fuels, heavy nitrous use, or high boost, this assembly is designed to handle the extreme forces involved. It's a complete package that sets a solid foundation for a powerful and reliable engine build.

At the heart of this assembly is a 3.750-inch forged 4340 crankshaft, chosen for its strength and durability under high stress. Paired with this are 5.700-inch H-beam connecting rods, which are known for their robust design and ability to withstand significant loads. These rods come equipped with 7/16-inch ARP 2000 bolts, a popular choice for their reliability and strength in performance applications. The pistons are forged 2618 JE units, featuring a -36cc inverted dome designed specifically for forced induction setups, and they measure 4.155 inches in bore size. To ensure proper sealing and performance, the assembly includes plasma-moly file-fit piston rings. Finally, King XP rod and main bearings are included, offering excellent wear resistance and performance in high-stress environments.

This rotating assembly is a comprehensive solution for anyone looking to build a high-performance Chevy 400 engine. It's important to note that this part is not CARB approved and cannot be shipped to California due to emissions regulations. Always refer to the manufacturer's installation instructions for proper assembly and break-in procedures to ensure optimal performance and longevity.