The front of the Sierra 1500 Denali sits lower than the rear from the factory, and that rake costs tire room and approach clearance. That turns a good trip into a frustrating one.
The ReadyLIFT 1.5in Leveling Kit with ARC Bracket is built for this. It adds 1.5in of lift in front. It clears tires up to 33in. Install it, check the alignment, and head out. The payoff is more clearance, room for the tires that suit the trail, and a rig that still drives well on the highway.
Installation instructions (PDF)
MPN 66-39151 · UPC 194933173709
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