Avons or Goodyear Billboards will cost Japan's national debt by the time they're landed.
It seems that Mickey Thompson ST, Cooper Cobra and Mastercraft Radial GTs are all made in the same factory with the same compound. About $105US to $145US each plus the flight over.
Look at the Hankook Ventus H101 or Kumho Ecsta as locally available alternatives that are getting a good reputation in performance circles. There's a Hankook & Kumho wholesaler/retailer in Archerfield:
Bosman Wholesale Tyres
Competitive Pricing - Undercutting The Big Guys.
1/142 Beatty Road
4108 Archerfield
Phone:
(07) 3274 5374
Email:
info@bosmantyres.com.au
In fact, by coincidence I saw a nice old Chevy next door to there recently and took a photo of it.