Eagle Specialty Products 440940026135 Forged Steel Crankshaft Chevy Stroke - 4340 409 4.000

The Eagle Specialty Products 440940026135 is a high-performance forged 4340 steel crankshaft engineered specifically for Chevrolet 409 engine builds. Featuring a 4.000-inch stroke, this crankshaft allows builders to increase displacement and torque output while maintaining excellent durability for high-performance street and race applications.

Key Features:

• Constructed from premium 4340 forged steel for superior strength and fatigue resistance
• 4.000-inch stroke for increased displacement and torque
• Precision-machined journals and bearing surfaces for optimal oil clearance
• Micropolished fillets to reduce stress concentrations and improve durability
• Nitrided surface treatment for enhanced wear resistance
• 100% Magnafluxed to ensure no material defects
• Engineered to work with aftermarket connecting rods and pistons

Eagle's 4340 forged crankshafts represent the pinnacle of aftermarket performance engine components, combining advanced metallurgy with precision manufacturing. This crankshaft is ideal for enthusiasts building high-horsepower Chevy 409 engines who demand reliability and performance under extreme conditions. Each crankshaft undergoes rigorous quality control testing to ensure it meets Eagle's exacting standards.