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You may want to look up the weight on each size. I don't know about the BF's, but I was surprised to see that some tires are considerably heavier in sizes that aren't that far apart.
Ordered 295/65R20 KO2's (I've probably had 10 pairs of these, in different sizes over the years.), went in to get them installed and they were labeled wrong, they were actually 18" tires instead of 20". Tire shop computer said that they were back ordered 90 days, so that wouldn't work. They only thing I could find is this Hankook Tires Dynapro XT | Light Truck Tires | Hankook USA (hankooktire.com), they are snow flaked and a bit more aggressive than the KO's. So far so good.