Suspension and Components› Suspension Kits

SuspensionMAXX

1.5-Inch Rear Lift Block and U-Bolt Kit

$37.50

SKU: SMX-152015

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 Heavy Duty Rear Block and U-Bolt Kit is a suspension component designed to lift the rear of your vehicle by 1.5 inches. This kit is ideal for leveling your truck, accommodating larger wheels and tires, or supporting heavy loads. It features durable steel blocks and high-strength u-bolts, requiring no extensive modifications and is fully reversible.
Show original supplier description
The SuspensionMAXX Heavy Duty Rear Block and U-Bolt Kit (SMX-152015) provides a 1.5-inch rear lift, perfect for leveling your vehicle, fitting larger tires, or improving stability when hauling heavy loads. Constructed from robust steel blocks and heavy-duty Grade 8 U-bolts with tall nuts and thick washers, this kit is built for strength and longevity. This kit is specifically designed for 1988-2000 Chevrolet/GMC Silverado/Sierra K2500 4x4, K3500 4x4, and 1988-1999 Chevrolet/GMC Suburban 2500 4x4 models equipped with 5/8 Dia. U-Bolts. Installation is estimated to take approximately 1.5 hours and is supported by SuspensionMAXX's technical assistance. The product is 100% American Made and backed by a MAXX Structural Lifetime Warranty.

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-152015
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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