Suspension and Components› Suspension Kits

SuspensionMAXX

Rear Block and U-Bolt Kit

$149.99

SKU: SMX-157010

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 SMX-157010 is a heavy-duty rear block and U-bolt kit designed to increase rear suspension height by 1 inch. This kit is ideal for leveling vehicles, adding larger wheels and tires, or for hauling heavy loads. It is constructed from strong and durable steel blocks and high-strength U-bolts and fasteners.
Show original supplier description
The SuspensionMAXX SMX-157010 Heavy Duty Rear Block and U-Bolt Kit provides a 1-inch increase in rear suspension height, making it suitable for leveling your vehicle, accommodating larger wheels and tires, or supporting heavy loads like campers. This kit is engineered with premium, high-strength components, including CNC-drilled solid steel blocks and heavy-duty Grade 8 U-bolts with tall nuts and extra-thick washers, ensuring durability and longevity without cracking or compressing. The kit includes all necessary hardware, and the installation process can typically be completed in about 1.5 hours using job-specific tools. SuspensionMAXX also provides excellent customer service and technical support. This specific kit is designed for 2014-2016 Chevrolet/GMC Silverado/Sierra 1500 4x4 models equipped with 6-bolt wheels and 9/16 inch diameter U-bolts.

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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Available on iOS & Android

Specifications

BrandSuspensionMAXX
Part NumberSMX-157010
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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