Originally Posted by Teufel Racing

You can, but it's not mandatory,
Use the ZX5/6 sway bar,
Swap the lower sway bar mount ballcup, to the med length shock rod end, put in the stock plastic ball in the shock rod end, then mount he lower sway bar mount inside the arm and run a screw through the sway bar mount hole in the arm to catch the new sway bar end inside the arm. It'll float just a tick, if you really want to, you can shim the lower sway bar mount in the arm tighter a couple ways.

It's super easy to do and it saves the cost of a whole sway bar kit you'll likely not need, u less you want it for the 2wd. If I remember correctly the RB6 sway bars are just a bit narrower than the ZX5/6 ones.

In the pic, I used a couple RB6 shock mounts trimmed and keyed to the arm to keep the lower mount from floating some, but it's not crucial to do.