Eagle Chevy 427 3.766in Crank 6.135in H-Beam 41cc Dome 4.250in Pistons Balanced Assembly

If you're building a naturally-aspirated 427 cubic inch Chevy engine for racing, a balanced rotating assembly is a critical starting point. This Eagle Pro Street assembly is designed to handle the demands of the track, providing a solid foundation for your build. It includes all the major rotating components, pre-balanced and ready for installation, saving you time and ensuring proper engine dynamics.

This assembly features a forged 4340 crankshaft with a 3.766-inch stroke, paired with 6.135-inch H-beam connecting rods. These rods are secured with strong 7/16-inch ARP 8740 bolts, known for their reliability under stress. The pistons are forged 4032 aluminum from Icon, featuring a 41cc dome and a 4.250-inch bore size, which is common for 427 builds. To ensure optimal ring seal and performance, it comes with plasma-moly file-fit rings. King XP series rod and main bearings are included, offering excellent wear resistance and performance for your engine.

Because this assembly is balanced, it helps reduce engine vibration and wear on critical components. Keep in mind that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and torque specifications, especially when dealing with high-performance engine components.