Suspension and Components› Suspension Kits

SuspensionMAXX

MAXXStak 1.5-Inch Rear Coil Spacer Kit

$109.50

SKU: SMX-15150

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The SuspensionMAXX MAXXStak is a rear coil spacer designed to lift your vehicle's rear suspension by 1.5 inches.

This kit provides lift to level the vehicle, accommodate larger tires (up to 33 inches in diameter), or increase ground clearance. It retains the stock shocks and coil spring insulators, maintaining OEM ride quality while offering a durable and economical alternative to more complex lift kits. The MAXXStak is constructed from CNC milled billet aluminum, ensuring strength and longevity without cracking, sagging, or rusting.
Show original supplier description
The SuspensionMAXX MAXXStak is a rear coil spacer designed to provide a 1.5-inch lift to the rear suspension of compatible GM 1/2 ton SUVs and trucks. This kit offers several benefits, including leveling the vehicle, creating clearance for tires up to 33 inches in diameter, and increasing ground clearance for improved off-road capability. The MAXXStak spacers are constructed from CNC milled billet aluminum, ensuring exceptional strength, durability, and a long service life free from cracking, sagging, or rusting. Installation typically takes about one hour with the appropriate tools and is supported by SuspensionMAXX's customer service and technical support. This product is 100% Made in America and is covered by the MAXX Structural Lifetime Warranty. Applications include a wide range of GM vehicles such as the 2002-2019 Cadillac Escalade (STD and EXT, 4x4/2wd/AWD), 2001-2013 Chevrolet Avalanche (4x4/2wd/AWD), 2001-2019 Chevrolet Suburban (4x4/2wd/AWD), 2001-2019 Chevrolet Tahoe (STD and Z71, 4x4/2wd/AWD), 2002-2009 Chevrolet Trailblazer (STD and XL, 4x4/2wd/AWD), 2002-2009 GMC Envoy (STD and XL, 4x4/2wd/AWD), 2001-2019 GMC Yukon (STD and XL, 4x4/2wd/AWD), and 2003-2010 Hummer H2 (4x4).

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-15150
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.

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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