What Does Z Mean On The Tires

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What Does Z Mean On The Tires
Related Categories: Speed Rating Chart | Zr Meaning | Tire Temperature Rating | Speed Rating Letters | Zr Speed Rated | Michelin Pilot Sport 245 40 18 | Michelin Zr | 245 40r18 97v | What Does Lt Mean | 245 40zr18
  • What Does "ZR" Mean?

  • …P245/40R18 or LT315/70R17. But what does it mean when the tire says "P245/40ZR18"? For that, you need to know a little bit about speed ratings. Speed ratings on tires are expressed in letters and are generally listed along with the load index for a tire after the size, for instance…


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