What Does Z Mean On The Tires

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What Does Z Mean On The Tires
Related Categories: Zr Meaning | Speed Rating Chart | Zr Speed Rated | Speed Rating Letters | Rating Chart | Michelin Pilot Sport 245 40 18 | T Speed Rating | Lower Speed Rating | Z Rated Tires | Z Rated
  • What Does "ZR" Mean?

  • 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…

  • What's in a letter?

  • T, Z, W...These letters appear on a tire, but what do they mean? Speed ratings can be a little confusing. I get many calls like this one: "I have an 08 BMW 328i and I need a Z-rated tire." To be honest, Z-rated used to mean a lot more than it does now. When speed ratings first came out, Z

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