Eagle Chevy LS 4.8/5.3 4.000in Crank 24 Tth Rlctor 6.125in H-Beam 3.780in Pistons Rotating Assembly

This is the Eagle Chevy LS 4.8/5.3 Competition Rotating Assembly, part number 127023780. If you're building a high-performance LS engine for serious racing, including applications with nitrous or forced induction, this assembly is designed to handle the stress. It's a complete package that gives you the core rotating components needed to build a strong foundation for your engine.

At the heart of this assembly is a 4.000-inch forged 4340 crankshaft, known for its strength and durability under high loads. It features a 24-tooth reluctor wheel, essential for the LS engine's computer system. The connecting rods are 6.125-inch H-beams, a popular choice for their robust design, and they come equipped with 7/16-inch ARP 8740 bolts for secure attachment. The pistons are forged 4032 DSS with an inverted dome design, measuring 3.780 inches in bore size and featuring a -29cc dish, which helps achieve a desired compression ratio for performance builds. This assembly also includes plasma-moly file-fit piston rings, allowing for precise gap adjustment during installation, and King XP rod and main bearings for smooth operation and reliable lubrication.

This rotating assembly is a well-built option for LS engine builds aiming for competitive performance. Please note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and tuning.