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Engines and Components› Crankshafts and Components

Eagle

4340 Forged Steel Crankshaft, 3.750-Inch Stroke

$1,050.99 $912.99 Save $138.00

SKU: EAG440037505700

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Description

The Eagle 440037505700 is a robust, forged 4340 steel crankshaft engineered for high-performance engine builds, offering exceptional strength and durability at an accessible price point. Constructed from certified 4340 non-twist forging and subjected to a multi-stage heat-treatment process, this crankshaft ensures maximum reliability under demanding conditions. It features a 3.750-inch stroke, internal balance, a 2-piece rear main seal design, and specific journal dimensions: 2.649 inches for the main journals and 2.100 inches for the rod journals.

MIA's Description

The Eagle 440037505700 is a forged 4340 steel crankshaft designed for high-performance applications. It features a 3.750-inch stroke and internal balancing.

This crankshaft utilizes a 2-piece rear main seal and has a main journal diameter of 2.649 inches and a rod journal diameter of 2.100 inches. It is constructed from certified 4340 non-twist forging for maximum strength.

Fitment

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Specifications

BrandEagle
Part NumberEAG440037505700
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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