Here is a prior thread of a NGT owner that switched out to Dunlap tires.
http://www.fordgtforum.com/forums/s...Tires-for-2017-18-Ford-GT?p=478247#post478247
http://www.fordgtforum.com/forums/s...Tires-for-2017-18-Ford-GT?p=478247#post478247