OverlanderJK
Resident Smartass
I have ACE sliders under my Rubi rails and have had zero issues. These sliders are tough! I have taken my rig through rock gardens where the sliders did what they were designed to do and they have the scars to prove it and did not flex at all with the jeeps entire weight resting on them. My only gripe would be, and it's minor, is the clearance to the bottom of the Rubi rail is reduced by the thickness of the ACE slider tube.
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You won't know your tub is damaged until you pull the sliders off. Not to mention resting your jeep on some sliders is different than dropping your jeep on them.