167-1 USDRRT HOOSIER DOT Road Race Tires 295/40 ZR18 R7

, Auto-X's(3-6?)., Auto-X, (season ?). --the "percent race rubber remaining" numbers give the details. % RACE RUBBER REMAINING EXPLAINATION: A three number % (e.g.,80-60-80%) indicates percent race rubber remaining (shoulder / center / shoulder).