Eagle Chevy Pro Street 408 Balanced Rotating Assembly 4140 Crankshaft w/ 4340 I Beam Rods

Eagle is a well-known name in performance engine components, and their Pro Street Rotating Assemblies are built for serious naturally-aspirated racing applications. This particular assembly is a 408 cubic inch setup designed for Chevy LS2 engines, offering a solid foundation for a high-performance build. It comes balanced from the factory, saving you a crucial step and ensuring your engine runs smoothly.

At the heart of this assembly is a forged 4140 crankshaft with a 4.000-inch stroke, paired with strong 6.125-inch 4340 I-beam connecting rods. These rods are secured with 7/16-inch ARP 8740 bolts, known for their reliability under stress. The pistons are forged 4032 DSS with an inverted dome design, measuring 4.030 inches in bore size, and they come with plasma-moly file-fit rings, allowing for precise gap setting during installation. To complete the package, King XP rod and main bearings are included, offering excellent durability and performance.

This assembly is designed for naturally-aspirated use and comes balanced, but please note it is not CARB approved and cannot be shipped to California. It's important to check manufacturer fitment data to confirm compatibility with your specific vehicle and intended application.