You gonna lift it at all? I feel like the JTs are so dialed that putting a substantial lift on it is going to cost me something in driveability/daily usage. Plus, you can get 37s on with just a leveling kit...
Whatever you get I'd suggest getting a more complete 2" kit (at least shock relocation brackets included), and then possibly adding an adjustable track bar. Something like the Comfort Ride kit with lower control arms and sway bark links...but I don't think it has a track bar. I'd do a kit like...