Engines and Components Crankshafts and Components

Eagle Specialty Products

4.000" Stroke Billet 4340 Steel Crankshaft

$2,249.99

SKU: EAG334740016100

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Overview

The Eagle Specialty Products crankshaft is a billet 4340 steel crankshaft designed for Chevrolet Gen III "LS" engines. It features a 4.000" stroke and internal balance with center-counterweighting. This crankshaft is also equipped with a 58-tooth reluctor.
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Constructed from billet 4340 steel, this crankshaft offers superior durability and reliability for racing and high-performance street applications. Featuring a 4.000-inch stroke, this crankshaft is engineered to increase displacement and potential power output for Chevrolet Gen III "LS" engines. Its internal balance design contributes to smoother operation and reduced vibration, while the center-counterweighted construction further enhances its balance and robustness. The integrated 58-tooth reluctor ensures compatibility with factory or aftermarket engine management systems. This crankshaft is ideal for builders seeking to enhance the performance of their LS-based engines. Whether for a drag racing machine, a road-course contender, or a powerful street rod, this component provides a solid foundation for a high-output build. Its billet 4340 steel construction signifies a commitment to quality and performance, designed to withstand the stresses of demanding engine conditions.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandEagle Specialty Products
Part NumberEAG334740016100
CategoryEngines and Components

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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