Eagle Chevy LS1 4.000in Crank 58 Tth Reluctor 6.125in I-Beam Rods 3.905in Pistons Balanced Assembly

This balanced rotating assembly from Eagle is built for performance applications, specifically for naturally-aspirated racing use in Chevy LS1 engines. What you get in this package is a complete rotating assembly ready to be installed. It includes a forged 4.000-inch stroke crankshaft made from 4140 steel, a 58-tooth reluctor wheel for crank trigger systems, and 6.125-inch long I-beam connecting rods. These rods are forged from 4340 steel and come equipped with 7/16-inch ARP 8740 bolts for a strong connection.

The assembly also features forged 4032 aluminum pistons with a -5cc flat top design and a 3.905-inch bore size. These pistons are paired with plasma-moly file-fit piston rings, giving you the flexibility to set your ring gap precisely for your build. For smooth operation and durability, King XP rod and main bearings are included. This assembly is balanced from the factory, saving you a significant step in the engine building process and ensuring good initial balance for your LS1.

This is a well-built rotating assembly designed for those looking to build a powerful naturally-aspirated LS1 engine for racing. Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and any additional components required for your specific engine build.