Engines and Components› Crankshafts and Components

Eagle

Eagle Standard Forged Crankshaft 4340 Chromoly Steel

$1,158.99

SKU: E001 428135435933

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Description

Part #: 428135435933

Eagle forged 4340 steel center-counterweighted Cranks feature a non-twist forging, center counterweights for added stability at high RPM and high-power applications. 125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.

Forged 4340 Steel Crank - Ford 4.6L MODULAR V8.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

The Eagle 4340 Forged Steel Crankshaft (MPN: 428135435933) is a high-performance component designed for Ford 4.6L Modular engines. It is constructed from 4340 forged steel and undergoes extensive testing for quality and strength. Key features include chamfered oil holes and a 0.125-inch radius on rod and main journals, precision-ground and micro-polished journals, and a target bob weight of +/- 2% for easier balancing. It is rated for up to 1500 horsepower.

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Specifications

BrandEagle
Part NumberE001 428135435933

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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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