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Not sure, but thouhg it would be really tight and wouldnt attempt, our camper is 92 1/2" between jack tubes without extensions. Point being if looking at particular camper might get a measurment between tubes.
On our Atwood jacks simple pre drilled flat bar placed between jack and camper plates would be easy to gain addtional width. Assuming flat bed dont need swing away mounts.

Seller deliver?