Eagle Chevy LS1 4.000in Crank 58 Tth Reluctor 6.125in I-Beam Rods 3.903in Pistons Balanced Assembly

If you're building a naturally-aspirated racing engine for your Chevy LS1, this balanced rotating assembly from Eagle is a solid option. It includes a forged 4.000-inch stroke crankshaft, 6.125-inch I-beam connecting rods, and 3.903-inch flat-top pistons, all balanced and ready to go. This assembly is designed to handle the demands of racing applications where reliable power is key.

The crankshaft is forged from 4140 steel, giving it the strength needed for high-RPM operation. The connecting rods are also forged, made from 4340 steel, and come with 7/16-inch ARP 8740 bolts for a strong connection. The pistons are forged from 4032 aluminum and feature a -5cc flat-top design, paired with plasma-moly file-fit rings for good sealing. King XP rod and main bearings are included, known for their durability and performance under load. This assembly is balanced at the factory, saving you a significant step in the engine building process and ensuring smoother operation.

This assembly is specifically intended for racing use and is not CARB approved, meaning it cannot be shipped to California. It's important to note that this is a core component for a performance engine build, and other supporting parts will be needed to complete your engine.