He installed an GM LS1 V8, 4L60 transmission, Atlas transfer case, Fiberflex fiberglass springs, Tera CRD 60 front and rearends, Savvy aluminum bumpers, a Warn winch, 35" BFG KM2 tires, among other things.
It's fun to watch Jeremy go out with a group of vehicles shod with 40"+ tires that are built-to-the-hilt and show them up on tough obstacles. His YJ is one of the most capable Jeeps we've ever seen. Of course, Jeremy's driving skill has a bit to do with his success, too.
Watch for more on Jeremy's Jeep in the pages of 4Wheel Drive Magazine.