Well, I guess nobody knows the answer since the manufacturer does not have that info. This is from Jeg´s website:

UTQG Tread Wear Rating
N/A
Temperature Rating
N/A
Traction Rating
N/A
How come they won´t divulge this necessary info??

66 Charger, 451, .582" lift, 11" conv. 4.10:1. 4118 lbs 11.75@117 mph on regular Firestone Firehawk radials.
Icelandic Champion in MC 2007, 2008, 2009 and 2022.