Eagle 638754060 LS Competition Rotating Assembly Stroke - 8-Cylinder 3.900

The Eagle 638754060 is a high-performance rotating assembly designed for 8-cylinder LS engine builds. This complete assembly includes all the critical rotating components needed to build a powerful and reliable engine.

Key Features:

• Forged 4340 steel crankshaft with 3.900" stroke for increased displacement and durability
• 58-tooth reluctor wheel compatible with modern LS engine management systems
• 6.125" forged 4340 steel I-beam connecting rods engineered for high-performance applications
• 7/16" ARP 8740 rod bolts for superior clamping force and reliability
• Forged 4032 aluminum DSS pistons with -5cc flat top design
• Complete with piston rings and bearings for a ready-to-install package

This rotating assembly is ideal for street/strip performance builds, forced induction applications, and racing engines where strength and reliability are critical. The forged 4340 crankshaft and connecting rods provide exceptional durability under high stress conditions, while the forged pistons handle increased cylinder pressures with ease.