Here is a quick video update on my new setup I recently switched to. Yes, you can run 20x12s on 33s with just a leveling kit on the new Silverados… Hope this helps!

—Leveling Kit: 2” Rough Country strut spacer
—Tires: 33x12.50r20 Venom Power Terra Hunter XT
—Wheels: 20x12 -44 Fuel Maverick Gloss Black/Milled
—Bed Cover: Retrax OneMX retractable
—Window visors: EGR In-Channel smoke