6. The 2 inches of additional clearance allowed us to install 285/70R17 E Nitto Terra Grapplers. We have had excellent on- and off-highway results with these tires in the past, even in extremely rocky wheeling. The mild all-terrain tread pattern is very quiet on the highway, yet offers excellent traction off-road. A huge savings can be found by mounting new tires on the factory wheels, as long as the rim width is correct.