I am thinking of ordering this from Absolute Offroad. It says LJ but I'm thinking its for a TJ also, its just the 4"-6" version. Since I can't post a pic here's the link.
http://www.absoluteoffroadphx.com/servlet/the-142/ROCKKRAWLER-LJ-Adjustable-Track/Detail
http://www.absoluteoffroadphx.com/servlet/the-142/ROCKKRAWLER-LJ-Adjustable-Track/Detail