Suspension and Components› Rear Suspension Components

SuspensionMAXX

ShoX-Xtender 2-Inch Rear Shock Extension Kit

$65.00

SKU: SMX-35520

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

The SuspensionMAXX ShoX-Xtender is a rear shock extension kit designed to keep original shocks in place when lift shackles are installed on 2004-2008 Chevrolet Colorado and GMC Canyon models. It provides a 2-inch spacer between the shock mounting points and the shock absorbers.

This kit prevents overextension during extreme suspension travel and helps maintain the stock ride and handling characteristics. The CNC-machined solid steel spacers are e-coated for corrosion resistance, and the kit includes Grade 8 hardware.
Show original supplier description
The SuspensionMAXX ShoX-Xtender Shock Extension Kit (SMX-35520) is engineered for 2004-2008 Chevrolet Colorado and GMC Canyon vehicles, including 4x4, 2WD, and Z71 models. This kit allows you to retain your original rear shocks even after installing lift shackles or a leveling lift kit. It acts as a 2.0-inch spacer, positioned between the rear shock mounting points and the shock absorbers. By incorporating this extension kit, you effectively prevent the shocks from overextending during maximum suspension travel. This is crucial for maintaining the intended stock ride quality and handling characteristics of your vehicle, while also reducing the need to purchase more expensive, longer shock absorbers. The kit contributes to a lower overall cost for your suspension upgrade. Constructed from CNC precision-formed solid steel, the spacers and braces offer a rigid and strong shock mount structure. To ensure durability and resistance against corrosion, these components are e-coated. SuspensionMAXX backs this product with their MAXX Structural Lifetime Warranty. The manufacturer estimates installation time at 1.5-2 hours and provides dedicated technical support.

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

BrandSuspensionMAXX
Part NumberSMX-35520
CategorySuspension 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.

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