They are 16" ProComp 7069 rims in flat black and 315/75/16 Goodyear Duratrac tires. I have a 2.5" Rock Krawler lift so I could fit that size tire. I didnt lose that much MPG, its still about 17-18. It drives great, the lift kit I went with was complete, so there is nothing to upgrade down the road. I can drive 75 mph on the highway and hold the wheel with 1 finger, no wandering, no bump steer.
I have a stock Moab and I'm new to all this. I like the wheels/tires you've added. Can you tell me details on what they are, any other things that had to be adjusted, how it drives, if you're burning a lot more gas etc?