I'm hoping one of y'all with the bolts exposed on your roof rails (RRO can be seen) can tell me how much spacing between bolts, center to center. Wanting to fab my own set of rails and rack. I'm currently hopped up on flexeril and vicodin and probably not a good idea to go at my Libby with a crowbar!
Any help would be appreciated.

Asking a question ( Poll ) on tires and rails as well
If you're making your own I would suggest just pulling the strip off and starting from there, you'd have a better idea on what would work then

Tires, you've listed 3 sizes that will not fir unless you lift, two that you'd also have to regear

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MUDD'S MOTORSPORT'S We do IFS lift installs ,
03 OVERLAND EDITION /Kilby-Skidrow-Mopar-4XGuard skids/ 2.5 inch TOTAL CONTROL JBA coilovers -JBA Arms/MOABS-31 FALKEN WILDPEAK AT3W / 4.10's etc, 04 Kilimanjaro Edition loaded, plus 05 KJ limited