Yep, see what you mean...but 235/85 r16 dually tires in 6 plys are not 100 lbs a piece and have taller sidewalls (200 millimeters) versus the 215's 161.5 millimeter sidewall height, that should be about 3" of tire height.
Those 7" and 7.5" bias ply mudgrips look good also, but they are NOISY.