We've been helping people find the right tires, wheels and performance parts since 1979. If you're looking for the best and most accurate information on all things tires, you've come to the right place.
A tire's most important job is to carry the load required of it, and the load range/ply rating branded on the tire's sidewall indicates how much load the tire is designed to carry (at a specific pressure). Whenever changing tire sizes or from one tire type to another, it's important to ensure...
A load index is an assigned numerical value that signifies a tire's maximum load carrying capacity. They're useful to help compare load carrying capacity of different-sized tires, and as you might expect, the higher the tire's load index number, the greater its load carrying capacity. Using the...
A safety recall involving a motor vehicle or an item of motor vehicle equipment can be voluntarily conducted by its manufacturer or ordered by the U.S. National Highway Traffic Safety Administration (NHTSA). The U.S. Transportation Recall Enhancement, Accountability and Documentation (or...
Most run-flat tires make a promise of temporary extended mobility at up to 50 miles per hour speeds for up to 50-mile distances in the event a puncture allows complete air pressure loss. However, even if driven within their speed and distance limitations, driving on run-flat tires with low or...
How Slow Do You Have to Go? The origin of tire speed ratings can be traced to Europe where they were needed to match high-speed tire durability with the unlimited vehicle speeds permitted on roadways like the German Autobahn. And even though the highest speed limit in the United States is 85...
Run-flat tires offer drivers temporary extended mobility even after a puncture allows complete air pressure loss. However, even run-flat tires will fail if driven too fast, too far or too heavily loaded when flat. For this reason, run-flat tires may only be used on vehicles equipped with a...
In order to preserve the integrity of the installed studs: the rolling direction of studded tires should never be changed. To achieve the best possible wintertime performance and longest lifetime from a set of studded tires, they should be rotated periodically to equally share the vehicle's...
Like the motorsports tires they have evolved from, all Track & Competition DOT performance category tires feature constructions and compounds that have been tuned to maximize traction and performance within a range of warm-to-hot ambient temperatures. Therefore, unlike less highly tuned...
Like the motorsports tires they have evolved from, all Extreme Performance Summer performance category tires feature constructions and compounds that have been tuned to maximize traction and performance within a range of warm-to-hot ambient temperatures. Therefore, unlike less highly tuned...
Studs for tires used in winter driving feature a tungsten carbide pin encased in a cylindrical metal housing that looks like a carpenter nail with its shaft cut short. Typically 80 to 100 studs per tire are inserted into small holes molded in the tire's tread design. The tire's tread is often...
Which vehicle parts go to the salvage yard 85% of the time without ever being used? If you haven't guessed by now, it's the spare tire, wheel, jack and tools. That's right, 85% of the time they will reach the end of the vehicle's life without ever having been used. However, since the spare...
To stay safe behind the wheel this winter season, consumers should remember the following W.I.N.T.E.R. tips from Tire Rack: Winter Tires Are Worth It: The best way to improve winter / snow tire traction and increase safety is with a set of dedicated winter / snow tires. Starting at a few...
In some states, vehicle inspection regulations require operating tire pressure monitoring sensors (TPMS) on every vehicle that came with TPMS as Original Equipment. If your state is not listed below, please check with local law enforcement officials to confirm restrictions in your area. We...
Before products can be sold in many countries, their manufacturers are required to test and certify they meet government standards. While many countries establish their own unique standards, others simply choose to adopt established standards to simplify global complexity. In the case of...
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