Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Rlctor 6.125in I-Beam 3.800in Pistons Rotating Assembly

If you're rebuilding the heart of your Chevy LS engine for naturally-aspirated racing, this Eagle Pro Street rotating assembly is a solid choice. It's designed to handle the demands of performance builds where forced induction isn't part of the plan. This assembly includes all the critical components you need to get your engine's bottom end squared away, giving you a strong foundation for your project.

At the core of this assembly is a 4.000-inch forged 4140 crankshaft, built for strength and durability. It's paired with 6.125-inch 4340 I-beam connecting rods, which are known for their robust construction and ability to withstand high RPMs. These rods come with 7/16-inch ARP 8740 bolts, a trusted name in high-strength fasteners, ensuring a secure connection. The pistons are forged 4032 Mahle units, featuring an inverted dome design with a -16cc dish, and measure 3.800 inches in diameter. They come complete with plasma-moly file-fit rings, allowing for precise gap setting to match your engine's specific needs and improve sealing. To top it off, the assembly includes King XP rod and main bearings, offering excellent wear resistance and performance under load.

This assembly is specifically configured for LS engines with a 58-tooth reluctor wheel, which is important for proper engine management system communication. Keep in mind that this part is not CARB approved and cannot be shipped to California. It's always a good idea to consult your engine builder or a trusted mechanic to ensure this assembly aligns with your specific build goals and to discuss any additional components you might need for installation.