SuspensionMAXX ShoX-Xtender 2.0" Rear Shock Extension Kit

SKU: SMX-35520
MSRP: $68.25


Fits 04-08 GM Midsize/includes Z71 model


SuspensionMAXX ShoX-Xtender 2.0 inch Rear Shock Extension Kit 2wd & 4x4 GM Colorado /Canyon 04-08 GM Midsize/includes Z71 model

  • Allows original shocks to remain in place when a leveling lift kit or lift shackles are installed

  • Prevents overextension of shocks during suspension travel

  • Helps to maintain stock ride and handling characteristics

  • Reduces cost

  • CNC precision formed solid steel spacers provide ultra-strong and rigid shock mount structure

  • High quality components and hardware – spacers and braces e-coated for corrosion resistance

  • Excellent SuspensionMAXX customer service and technical support

  • 100% American Made and covered by the MAXX Structural Lifetime Warranty


  • 2004-2008 Chevrolet Colorado 4x4 and 2wd - Includes Z71 model

  • 2004-2008 GMC Canyon 4x4 and 2wd - Includes Z71 model

SuspensionMAXX ShoX-Xtender Shock Extension Kits allows the original shocks on your 2004-2008 Chevrolet Colorado 4x4 or GMC Canyon 4x4 to remain in place when you have lift shackles installed. Part number SMX-35520 provides a 2.0” spacer between the rear shock mounting points and shock absorbers to prevent over extension during extreme suspension travel, and to help maintain the stock ride and handling characteristics. ShoX-Xtender Shock Extension Kits help keep costs low by allowing vehicle owners to use the original shocks when lift shackles are installed; the purchase of expensive longer shocks isn’t necessary.

CNC precision formed solid steel spacers provide ultra-rigid and strong shock mount structure. Spacers and braces are e-coated for corrosion resistance. Kits include solid steel ShoX-Xtenders, braces and Grade 8 hardware. 100% American Made and covered by the MAXX Structural Lifetime Warranty.

ShoX-Xtender kits are easily installed and are completely reversible to factory settings. Installation can be accomplished in just 1.5-2 hours and is supported by the SuspensionMAXX Technical Support Program.

Fits 04-08 GM Midsize/includes Z71 model
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Return Policy

If you wish to return your SuspensionMAXX product please contact us by phone or email. You must notify us within 15 days of receiving your shipment. Non-warranty returns are subject to a 15% restocking fee, and all shipping charges are non-refundable. Items must be in new condition (No Exceptions), any cosmetic wear or damage from improper packaging in return shipping will increase the restocking fee to 25%. You are responsible for the return shipping cost and insurance fee (if desired). Please print your daytime phone contact number on the original invoice, and enclose it in the return shipment. Also, please print the order number on the outside of the carton being used for return shipment. Our staff will inspect returned products, and issue credit promptly. No returns after 30 days from date of delivery. If you have ordered the wrong item by mistake, we do offer exchanges at no additional charge within 30 days.

SuspensionMAXX, Inc.
1692 Marquette Ave
Bay City, MI 48706

Contact information
Phone 1-888-629-9226
Fax 989-667-7965
[email protected]

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