A leveling kit is meant to level out your suspension. The front end of a truck/suv will often lean forward, and thus the lift kit will resolve this issue.
If you want to have a high-in-the-sky show truck, or are somebody who isn’t afraid of deep water or mud, you go hunting in the boonies, or you enjoy off-roading, then a lift kit is more your speed. Either way, a lift or leveling kit is one of the few modifications that is sure to add style and value to your vehicle. So do some research, and figure out which one works for you.