Eagle 637713820 LS Competition Rotating Assembly Stroke - 3.800 58-Tooth

The Eagle 637713820 is a competition-grade rotating assembly designed for GM LS 4.8L and 5.3L engines seeking increased displacement and performance. This complete stroker kit transforms your LS engine into a powerful 363+ cubic inch combination, delivering the strength and reliability needed for high-performance street and racing applications.

Key Components:

• Forged 4340 steel crankshaft with 3.800" stroke for increased displacement
• 6.125" forged 4340 I-beam connecting rods for maximum strength
• 7/16" ARP 8740 connecting rod bolts for superior clamping force
• DSS forged 4032 aluminum pistons with -15cc inverted dome design
• 58-tooth reluctor wheel for compatibility with late-model LS engines
• Premium piston rings and bearings included

Eagle rotating assemblies are test-fitted in-house to ensure proper clearances and component compatibility. This unbalanced assembly requires professional balancing by a qualified machine shop before installation. Designed for engines producing up to 750 horsepower, this kit provides an affordable path to serious LS power with proven durability for street performance, road racing, and forced induction applications.