Yokohama Advan Sport ZPS Tire - 255/35RF18 90YThe Yokohama ADVAN Sport ZPS combines Yokohamas signature performance with Zero Pressure System runflat capabilities. An ultimate high performance run flat tire that delivers the competitive grip, wet traction and a longer tread life that you expect from Yokohama, with the ability to maintain performance and stability in the event of a total loss of air pressure for up to 50 miles at 50 mph. Tire Features & Benefits Competitive Grip Advanced tread