+1 looks like a 315/40Just a little to much beef on the sidewall for me.
+1 looks like a 315/40
im also going to guess 315/40...the wider the tire, the bigger the side wall. if i had to guess, that side wall is a 40 with wide tires. even 315/35 has a pretty beefy sidewall.40 side wall is a lot smaller then that js..