Eagle Chevy 427/454 3.766in Crank 6.135in H-Beam Rod Closed Chamber 4.250in Piston Rotating Assembly

This Eagle rotating assembly starts with a 3.766-inch forged 4340 crankshaft, a solid foundation for serious engine builds. It’s paired with 6.135-inch H-beam connecting rods, known for their strength and reliability under stress. These rods come equipped with 7/16-inch ARP 8740 bolts, a detail that speaks to the serious nature of this assembly, ensuring a secure connection that can handle significant loads.

The pistons are forged 4032 aluminum from ICON, featuring a 10.2cc closed chamber dome design and a 4.250-inch bore size, specifically chosen for compatibility with the 427/454 Chevy platform. These pistons are designed to work with the included plasma-moly file-fit piston rings, allowing for precise gap setting to optimize performance and sealing. To complete the package, King XP series rod and main bearings are included, offering well-built lubrication and wear protection for critical rotating components.

This assembly is well-suited for competition use, including applications with nitrous or forced induction. Please note that this assembly is not CARB approved and cannot be shipped to California. It’s a robust option for those rebuilding or building a high-performance Chevy engine where durability and strength are paramount.