SKU: EAG434040006123
UPC: 793348007816
MPN: 434040006123
The SBM 340 4340 Forged Crank with 4.000 stroke from EAGLE is a purpose-built crankshaft designed specifically for serious small-block engine builders and performance enthusiasts. This component is engineered for reliability under high RPM and boost conditions, making it ideal for modified engines.
Forged from premium 4340 steel, this crankshaft provides significantly higher tensile strength and fatigue resistance compared to cast alternatives. Its 4.000-inch stroke geometry enhances displacement and optimizes fuel burn efficiency and torque output across the powerband, crucial for high-performance applications.
This crankshaft is particularly beneficial for builders targeting displacement ranges between 383 and 427 cubic inches, depending on bore size. It is suitable for various small-block builds, ensuring a solid foundation for street machines, weekend racers, or dedicated competition engines.
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