GM WHEELS, TIRES and HUBCAPS. 7'' bolt pattern, not 6.5'' (180mm, taken off 2013 W/T) 3/8'' tread Firestone Transforce HT LT 245/75R17 10Ply. Think about it. If these rims will work for you, you save big bucks and time not having to mount and balance. May deliver to Bis-Man, Dickinson, Glen Ullin, Lemmon,SD Leave message.