Eagle Chevy 427/454 3.766in Crank 6.135in I-Beam Rods 4.280in Pistons Rotating Assembly

This Eagle Pro Street rotating assembly is built for Chevy 427 and 454 big-block engines, specifically designed for naturally-aspirated racing applications. It includes a forged 4340 crankshaft with a 3.766-inch stroke, 4340 I-beam connecting rods that are 6.135 inches long and feature 7/16-inch ARP 8740 bolts, and forged 4032 ICON pistons with a closed chamber dome designed for a 4.280-inch bore. This assembly is a solid foundation for building a powerful, naturally aspirated race engine.

The components in this assembly are well-built for the demands of racing. The forged 4340 steel crank and rods offer strength and durability under high stress. The ICON pistons are forged from 4032 aluminum, known for its good thermal expansion properties, and come with a 10.2cc closed chamber dome. The assembly is completed with plasma-moly file-fit piston rings, which allow for precise gap setting to match your specific engine build, and King XP series rod and main bearings, which are designed for enhanced performance and durability in high-stress environments.

When considering this rotating assembly for your build, remember that it is not CARB approved and cannot be shipped to California. It's important to ensure all components are properly balanced and installed according to manufacturer specifications for optimal performance and longevity. This assembly is a significant step towards a high-performance naturally aspirated engine.