I have a 2008 2500HD with stock tires and rims. I’d like to put a set of 35’s and new 20” rims on the truck. What do I have to buy to accomplish this? I see leveling kits, torsion keys and lift kits. I don’t want the truck to sit to high or I’ll never get it into my garage. Does any one with this set up know exactly how high their truck sits? Little help please!!!!!!!!

 

You can do that with just a leveling kit but make sure you get the right offset, perferably a positive offset, something like a +18 would work. Here's my Cummins with a 4" lift that I put together with 35's on stock 17's. And BTW your truck does not have torsion keys!!!