Eagle Chevy 400 3.750in Crank 5.700in H-Beam -20cc 4.165in Pistons Rotating Assembly

If you're building a high-performance Chevy 400 engine for serious competition, a strong rotating assembly is the heart of the operation. This Eagle Competition Rotating Assembly is designed to handle the demands of racing, including applications using nitrous oxide or forced induction. It's a well-built package that gives you the core components needed to create a powerful and reliable engine foundation.

This assembly starts with a 3.750-inch forged 4340 crankshaft, known for its strength and durability under high stress. Paired with it are 5.700-inch H-beam connecting rods, which are a popular choice for their robust design and ability to withstand significant loads. These rods are secured with 7/16-inch ARP 8740 bolts, a name trusted for their reliability in high-performance engine builds. The pistons are forged 4032 aluminum from MAHLE, featuring an inverted dome design with a -20cc volume and a 4.165-inch bore size, which helps achieve a specific compression ratio suitable for boosted or nitrous applications. The assembly also includes plasma-moly file-fit piston rings, allowing for precise gap setting to match your engine's bore and intended use, and King XP rod and main bearings to ensure smooth rotation and proper oil clearance.

This rotating assembly is a comprehensive package for those looking to build a powerful Chevy 400 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 build.