Engines and Components› Pistons and Piston Rings

Eagle Specialty Products

Forged Rotating Assembly

$2,599.97

SKU: EAG12004060

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

This kit features forged internals, including a forged crank and forged pistons, to withstand high-RPM racing demands. It is built with precision tolerances for reliable performance.
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The assembly includes a forged crankshaft and forged pistons, providing a robust foundation for a high-performance engine build. Key specifications for this kit are a 355 CID displacement, a 3.480-inch stroke, a 4.060-inch bore, and 6.000-inch H-beam connecting rods. These components are meticulously manufactured to meet the rigorous standards required for competitive racing. This rotating assembly is specifically intended for competition use, suggesting it is optimized for maximum power output and resilience in racing environments.

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 NumberEAG12004060
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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