The best kit is a full size spare, giving you adequate time to have your punctured tire properly repaired at a tire shop
How many people on here have replaced their donuts with full size tires? I'd strongly suggest doing this, if you haven't already.
Mine came with a full-size spare (Jeep Wrangler), but I'd have to have one even if it didn't. Offroad vehicles with locking differentials can't run different size tires on the same axle.
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