[rsimoes]

Original Cobra sizes translate roughly to:

245-60-15
275-60-15

Recommended sizes by A&C:
15X8 4.5 inch backside
245-60-15

15X10 4.0 backside
295-50-15

Optional 16:
245-50-16 or 225/60-16
255-50-16 (Dunlop Sp8000 has almost the same contact patch as the BFG 295's!)

or 17's. . .