Mazda RX8 or Nissan 350Z New Tyres Yokohama Avid S34 225/45R18 4 new tyres. This is the factory fitted size on a Mazda RX8 and on the front of a Nissan 350Z. Normal retail price for these tyres is around $350 per tyre to buy new so you are saving a massive amount of money. I will fit and balance these tyres for free if you are in sydney or i can freight these tyres to anywhere in australia just send me your post code and suburb for an exact price on freight. EC $700.00 Milperra Tyres 7 Bullecourt Ave Milperra Ph 1300 128 168 .