411-2 USDRRT HOOSIER DOT Road Race Tires SRF 185/60 ZR13

, 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).