I know there is a 3" leveling kit out there, but I've never heard anyone recommend it on these trucks after years on the Ford forums. The 2" and 2.5" kits are what people usually go with to fit a 33' inch tire. Personally, I went with the Rancho coilovers, which lifted the front end 2.5". This allows me to run a 275/75r16 BFG AT with no rubbing issues at all.