Suspension and Components Suspension Kits

ReadyLift Suspension

RLS - 4 (4 2 ) Big Lift Kit for AT4 and Trail Boss Fits Chevrolet GMC 1500 Trail Boss AT4 2019-2024

$2,419.95

SKU: R01A 44-39420

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
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Description

ReadyLIFT offers an all-new 4'' Big Lift Kit for the 2019-2024 Chevy Silverado Trail Boss and GMC AT4 1500 4WD trucks, engineered for incredible ride quality and superior handling performance. Includes ReadyGuard Powertrain Warranty. Kit features boxed steel front/rear cross members, a full-width front skid plate (3/16'' plate steel), 1/4-inch boxed plate steel differential drop brackets with double gusset and boxed center rib. Heavy-duty angled and offset top mount strut extensions realign struts for optimized shock performance and minimized wear. A specially designed lower mount strut pre-load spacer offers a slight increase in spring rate. New fabricated steel rear blocks with integrated bump stop landings and new rear shock extensions are included.

Fitment

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Specifications

BrandReadyLift Suspension
Part NumberR01A 44-39420

Videos

Buy with Confidence

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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