Outboard shocks and Antirock

It seems like over time the fractional movements of that sway bar could rub through the filler neck and vent tube, no?

I had that concern also. I so consulted with an authority on the matter and he assured me that my concerns were unfounded. I am more likely to see an issue from sheer vibration than from sway bar movement. I will of coarse keep an eye on it as part of my routine maintenance and inspections.
 
I had that concern also. I so consulted with an authority on the matter and he assured me that my concerns were unfounded. I am more likely to see an issue from sheer vibration than from sway bar movement. I will of coarse keep an eye on it as part of my routine maintenance and inspections.
If the concern ever progressed to the level of doing anything about it, a piece of hose split and slid over the swaybar would slow it down to less of a concern.
 
On my LJ, Antirock is mounted in front of the axle. View attachment 711510
You have different considerations due to more room in front of the axle. It is very difficult to keep the tire off of the swaybar arm mounted in front on a TJ. Not impossible, but much more difficult. Rigs like yours are by far the easiest to do.