Eagle Chevy 4.8/5.3 LS 4.000in Crank 24 Tth Relctr 6.125in I-Beam 3.800in Pistons Rotating Assembly

When you're building a naturally-aspirated LS engine for racing, getting the right rotating assembly is key. This Eagle Pro Street assembly gives you the core components you need to get your Chevy 4.8L or 5.3L engine ready for the track. It includes a forged crankshaft, connecting rods, pistons, piston rings, and bearings, all designed to work together as a balanced unit.

This assembly features a 4.000-inch forged 4140 crankshaft with a 24-tooth reluctor wheel, which is crucial for proper engine management on LS engines. The connecting rods are 6.125-inch long I-beam style, made from strong 4340 steel and paired with 7/16-inch ARP 8740 bolts for a solid connection. Forged 4032 aluminum pistons with a -5cc flat top dish are included, designed for a 3.800-inch bore. The assembly comes complete with plasma-moly file-fit piston rings, allowing for precise gap setting during installation, and King XP series rod and main bearings for reliable lubrication and wear protection.

This rotating assembly is intended for naturally-aspirated racing applications. Please note that this part is not CARB approved and cannot be shipped to California. It's important to consult with your engine builder or refer to manufacturer instructions for proper installation and balancing procedures to ensure optimal performance and longevity.