Yeah any size rim will fit as long as the bolt pattern is correct. I believe on the 2007+ JK's the pattern is 5 X 5". The TJ's and YJ's are 5 X4.5".
you will want a 10 or 12 inch wide wheel
The wheel bolt pattern is 5 on 5 inch.
16 X 8-inch Moab wheel with LT245/75R16 tire
Jeep Wrangler wheel lug patterns years 1987-2006 are 5X4.5Jeep Wrangler wheel lug patterns years 2007-2014 are 5X5
Taller springs and shocks
The stock size wheel for the Jeep Rubicons are a 16" wheel.
NoNo
Not without wheel adapters as the 2006 LJ uses 5x4.5" bolt patter and the 2008 JK uses 5x5" Just google "wheel adapters"
17"
15 city and 19 highway
they are a 5 on 4.5 bolt pattern.
The 2008 Jeep Wrangler Unlimited Rubicon comes with a 255/75-17 BF Goodrich Mud Terrain KM1