Eagle 138753820 Competition Rotating Assembly LS Engine - 8-Cylinder

The Eagle 138753820 is a high-performance competition rotating assembly designed for LS engine builds requiring maximum strength and reliability. This complete kit provides all the essential rotating components needed for serious performance applications.

Key Features:

• 3.900-inch stroke forged 4340 steel crankshaft with 58-tooth reluctor for modern engine management systems
• 6.125-inch forged H-beam connecting rods with 7/16-inch ARP 8740 bolts for exceptional strength
• Forged 4032 aluminum DSS pistons with -5cc valve reliefs
• Premium rod and main bearings included
• Precision-engineered components for competition and high-performance street applications

Eagle Competition rotating assemblies are built for demanding applications including forced induction, nitrous oxide, and high-RPM naturally aspirated builds. The forged 4340 steel crankshaft offers superior strength compared to cast or nodular iron cranks, while the H-beam connecting rods provide an excellent balance of weight and durability. This assembly is ideal for engine builders seeking reliable components that can handle serious horsepower levels.