Eagle 334740016100 GM LS Forged Steel Crankshaft Stroke Reluctor - 4340 4.000 58x

The Eagle 334740016100 is a high-performance forged 4340 steel crankshaft designed for GM LS engine applications. Featuring a 4.000-inch stroke, this crankshaft enables increased displacement for maximum power and torque output in high-performance and racing applications.

Key Features:

• Forged from premium 4340 steel for exceptional strength and durability
• 4.000-inch stroke for increased engine displacement
• 58x reluctor wheel configuration for modern LS engine management compatibility
• Precision-machined journals for optimal bearing clearances
• Micropolished fillets to reduce stress concentrations
• Nitrided surface treatment for enhanced wear resistance
• CNC-machined counterweights for precise balance

Eagle crankshafts are manufactured to exacting tolerances and undergo rigorous quality control testing. The forged 4340 steel construction provides superior strength compared to cast crankshafts, making this an ideal choice for boosted applications, high-RPM builds, and demanding racing environments. The 58x reluctor configuration ensures compatibility with modern engine management systems used in Gen III and Gen IV LS engines.