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…
…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…
…on Facebook Share on Twitter Share on Pinterest Email Page to a Friend The Custom Assembly of O.Z. 3-Piece Wheels Tire Rack is the North American distributor for O.Z. Racing wheels. This partnership includes O.Z.'s prestigious, custom three-piece wheel program. O.Z.'s custom program allows Tire…
…rim widths of 1" to 4" possible. Tire Rack's complete, in-house inventory of all 3-piece wheel components means quick turn-around with assembled wheels shipping within 1-2 days of order receipt. Precise wheel assembly is performed at Tire Rack using an exacting process that maintains…
…tires and accept the O.E. Tire Pressure Monitoring System (TPMS) sensors. If you prefer the look a wider tire, both 235/45-18 and 245/40-18 are compatible sizes. The 235/45-18 won't provide enough increased width to make a noticeable difference. Scion TC FAQ: * What does 18x8 ET45 mean? 18x8…
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