09/01/2026
This 2025 GMC Sierra 2500HD AT4X came into the shop for a complete suspension, wheel, and tire upgrade while retaining the capability that makes the AT4X such a solid platform.
We installed a 4" McGaughys Premium Lift Kit, which uses a no-torsion-drop design along with lift spindles and supporting components to achieve the additional height and maintain proper suspension geometry. We also upgraded the front end with McGaughys upper control arms and ball joint caps for added strength and durability.
The new suspension made room for 37" Toyo Open Country R/T Trail tires paired with 20" KG1 Forged wheels, giving the truck a much more aggressive stance while keeping the overall setup clean and functional.
We mounted and balanced the tires and wheels in-house, then did a full alignment once the suspension installation was complete to dial everything in before heading back on the road.
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