I would think you need the singe tire ones. That stance is pretty wide.. Measure the stance and look up rv tire covers on google. That should give you the specs.
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Mark & Susan
Lehighton, Pennsylvania
EAGLE HT FIFTH WHEEL | 30.5CKTS - '13 Ford F150 SCREW - PullRite Superslide - Roadmaster Active Suspension Member - "Northeast Adventures RV Rally Group" & "Mason-Dixon Bunch"