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Engines and Components› Crankshafts and Components

Eagle Specialty Products

4.125-inch Stroke Crankshaft

$578.11 $525.55 Save $52.56

SKU: EAG104284125

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

It features a 4.125-inch stroke and a 2.200-inch rod journal diameter.

Eagle Specialty Products has been manufacturing connecting rods and crankshafts for racing engines for years, with continuous improvements in design, materials, and manufacturing techniques.
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It boasts a significant 4.125-inch stroke and a 2.200-inch rod journal diameter, making it suitable for a range of engine builds. Eagle Specialty Products has a long-standing commitment to producing high-strength connecting rods and crankshafts for racing engines. Their continuous focus on design improvements, advanced materials, and refined manufacturing techniques has established them as a respected name in the aftermarket engine component industry. The company actively researches ways to enhance their products, aiming for greater strength, reduced weight, and improved manufacturing efficiency. This specific crankshaft is recommended for use in pump-gas, naturally-aspirated, non-competition road cars, suggesting a balance between performance and durability for everyday driving and moderate performance use.

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 NumberEAG104284125
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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