kh202

My recommendations. Lose the 20" wheels. First off, tires for 20's cost a fortune. Second, they won't perform as well aired down off road, due to lack of sidewall. Sure they work ok, but for the money you're spending, why not get something that performs best (and is cheaper). Also, 10" wide isn't ideal for 12.5" tire for airing down either. You're much more likely to lose a bead and have to reset it or change a tire on the trail, I've seen it happen. Third, they just kinda look funny on a jeep and the lack of meaty sidewall is going to cause them to get destroyed offroad anyways. My advice would be 16-18" wheel 8-9" wide for best performance, looks, and cost. As for the lift, 4" is more than enough for 35's. Do some research here.

A lot is required for a 4" lift such as driveshafts, addressing steering geometry ect. I think 2.5" is perfect for a 2 door and 2.5-3" for a 4 door.

TheDirtman

You will find that more people will laugh at you running 20" wheels then will think it looks good on a JK but it is your rig you can spend your money the way you like. Do a bright chrome finish for even more giggles.

2" of lift and a wheel with a 4.5" bs is what you should be looking at to run 35" tires and will give you a good balanced look.