you're probably going to need a lift. Do you have anything that may weigh down the truck i.e. after market bumper, winch... these will definitely make it tough to fit the tire. I have the tire with what started as a 2" lift (OME 751 front and 764 rear) but with my bumper, winch and full exterior roll bar I lost almost a inch. The tires fit real well, I would like to get back my inch but it would be only for aesthetics. I like the tire a lot, there aren't too many companies in the US that make a 33"-34" tire in that width. Just get the tires and do the lift, you'll be happy in the long run.