On 4wheel parts website they have 2 part numbers for the 39.5x15x17 Tsl's. SSTSAM-64 and SSTSAM-64B I believe that they only come in a 6 ply in this size. Whats the difference between the two? The first one has a $30 crating fee and the second doesn't.
Looking at the Interco website, there is no "64B" part number, so I'd say it's an internal thing. Maybe a demo, or display. Best thing to do is call 4WP and ask them.
Four wheel parts just adds the B to the end of the part number. It's the same tire, and what you recieve will be a SAM-64. Sounds like a gimmick to me.
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