Eagle Chevy 4.8/5.3 LS 4.000in Crank 58 Tth Rlctor 6.125in I-Beam 3.780in Pistons Rotating Assembly

This Eagle Pro Street rotating assembly is built around a 4.000-inch forged 4140 crankshaft, featuring a 58-tooth reluctor wheel for precise engine management. It’s designed for naturally-aspirated racing applications where reliable power is key. The assembly includes 6.125-inch I-beam connecting rods made from strong 4340 steel, secured with 7/16-inch ARP 8740 bolts, ensuring they can handle the stresses of performance use.

The pistons are forged 4032 DSS units with an inverted dome design, measuring 3.780 inches in bore diameter and featuring a -15cc dish volume. They come complete with plasma-moly file-fit rings, allowing for a custom fit to the cylinder walls for improved sealing and performance. King XP rod and main bearings are also included, offering robust lubrication and wear resistance for the crankshaft and connecting rods.

This assembly is a solid choice for rebuilding or upgrading your Chevy 4.8L or 5.3L LS engine for racing. Please note that this assembly is not CARB approved and cannot be shipped to California. It also carries a Prop 65 warning.