Eagle Chevy 427/454 3.766in Crank 6.135in H-Beam Rod Closed Chamber 4.320in Piston Rotating Assembly

Eagle is well-known for building robust engine components, and this rotating assembly is a prime example of their commitment to performance. This complete package is designed for Chevy 427 and 454 big-block engines, offering a solid foundation for high-horsepower builds, especially those intended for racing applications, including those using nitrous or forced induction.

At the heart of this assembly is a 3.766-inch forged 4340 crankshaft, chosen for its strength and durability under extreme stress. Paired with it are 6.135-inch H-beam connecting rods, a popular choice for their strong I-beam cross-section that handles significant loads. These rods are secured with 7/16-inch ARP 8740 bolts, known for their reliability and ability to maintain clamping force under high RPM and shock loads. The pistons are forged 4032 aluminum from ICON, featuring a 28.2cc closed chamber dome design and a 4.320-inch bore size, ready to accommodate your specific compression ratio needs. The assembly also includes plasma-moly file-fit piston rings, which allow for precise gap setting to optimize performance and sealing, and King XP rod and main bearings, recognized for their advanced materials and construction that offer improved wear resistance and reduced friction.

This rotating assembly is a comprehensive solution for engine builders looking for a well-matched set of high-performance internal components. It’s important to note that this assembly is not CARB approved and cannot be shipped to California. Always consult manufacturer instructions for proper installation and break-in procedures to ensure optimal performance and longevity of your new engine build.