Check out Monstaliner. I'm going to be doing it in my Jeep. I know someone who has it and it's great. Search the forums for it there are several posts. Hope that helps.
03 Rubicon a.k.a "RubiX", 35x12.50 MT MTZ, 4" lift and all the other fun stuff Rubicons come stock with such as front/rear lockers, Dana 44s, T-MAX 9000lb winch, and much more to come.
Gone but not forgotten: 98 TJ; 4.5 lift, 33x12.50 Pro Comp MT, and lots more.