Yes, some tires don't have the UTQG rating printed out. Tires made in Indonesia for local Indonesia market often are missing this. Long time back my old Dunlop Dignos and Bridgestone Potenza also did not have them.
The long awaited replacement for Michelin PS4S is finally coming. Lately as the tyre wars escalate with new UUHP tyres (Max performance) from most major brands, namely Michelin PS5, Goodyear Asy 6, Continental CSC7...
I've been throwing around the idea of possibly competing in next years MMER at Sepang. I want to use an S8 RX7 (S6 or S7 if its allowable) as my platform. I had a look at the regulations and its quite vague...