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Engines and Components› Crankshafts and Components

Eagle Specialty Products

Cast Steel Crankshaft, 3.480-Inch Stroke

$403.99 $352.99 Save $51.00

SKU: EAG103503480CM

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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 103503480CM is a cast steel crankshaft designed for performance engine applications. It features a 3.480-inch stroke and internal balancing, making it a suitable upgrade for OE crankshafts.

This crankshaft is manufactured with a journal finish of 6 R.A. or less for improved reliability. It also has a target bob weight of +/- 2 percent for easier balancing and is designed for a 2-piece rear main seal. The specifications indicate it requires narrow bearings.
Show original supplier description
The Eagle Specialty Products 103503480CM is a robust cast steel crankshaft engineered to be a dependable upgrade for performance engine builds. It offers a 3.480-inch stroke and internal balance, providing enhanced efficiency and reliability over stock components. Each crankshaft is meticulously inspected for dimensional accuracy, size, and stroke, ensuring a quality product. Constructed from cast steel, this crankshaft is built to withstand demanding applications. It features a refined journal finish of 6 R.A. or less and a target bob weight tolerance of +/- 2 percent, which aids in simplifying the balancing process. The design accommodates a 2-piece rear main seal and includes .125" fillet radii for increased strength. It is important to note that this crankshaft requires narrow bearings due to its design. This crankshaft is intended for use in Small Block Chevy engines and is often specified for IMCA racing applications. It serves as a strong alternative and upgrade to original equipment manufacturer (OEM) crankshafts, offering improved durability and performance potential for enthusiasts and racers alike.

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 NumberEAG103503480CM
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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