He means width ARB, and a 265 is basically a 265. I would run more than 26/29 in that Tacoma however. In my old 99 Tacoma Prerunner I used to run 30 all the way around and it was perfect. 26 is squishy.
2014 Mazda 6 GT - M1 EP 0W-20
2008 Nissan Versa SL - Valvoline 5W-30 Synpower