Your axle should be fine with 35,s, but you definitely should go with 4.88 gears, maybe even 5.13. That being said, and since I have 35,s with 4.88, I would stay with 33,s. 35,s are "cool" but even with proper gearing, the Jeep is a stone. In my opinion, the 4.0, although a great motor, just...