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...
If you ever visit an auto museum, you'll see most antique cars were equipped with two or more spare tires. Fortunately today's roads and improved tire durability have reduced that necessity, allowing our vehicles to be equipped with a single spare or none at all! While some of today's vehicles...
The ability of a four-wheel drive and all-wheel drive vehicles to divide the engine's horsepower between its four tires is especially useful on loose or slippery surfaces such as sand and dirt, as well as on wet, icy or snow-covered roads. However it's important to remember that in order to...
While coins can be used to estimate tread depth, using a calibrated tire tread depth gauge is a far more precise way of knowing how much tread you have left, and when to start budgeting for a new set! In the U.S., tread depth gauges measure in inches, specifically in 32nds of an inch, while...
Maybe you've heard of the Uniform Tire Quality Grade (UTQG) Standards and you want to learn more, or maybe you've noticed the words "Treadwear," "Traction," and "Temperature" on the sidewall of your tires, and you're curious what they mean. Well, these often-misunderstood "grades" do provide...
Several vehicle manufacturer's owner's manuals recommend operating winter tires winter tires several psi (typically 3-5) higher than their recommended pressures for summer and all-season tires. While none of them actually provide the reason why, there are several scenarios that would support...
When it comes to determining the age of a tire, it is easy to identify when a tire was manufactured by reading its Tire Identification Number (often referred to as the tire's serial number). Unlike vehicle identification numbers (VINs) and the serial numbers used on many other consumer goods...
Many drivers have experienced the benefit of using winter tires in the colder months where pavement temperatures are lower and the threat of snow and ice are always just around the corner. While you may have answered "yes" to the question of "should I get winter tires", now you are faced with...
Tire treadwear/mileage warranties have become a popular marketing tool used by most tire manufacturers (and some independent retailers) to help position some of their tires competitively in the marketplace and to help indicate their potential longevity to consumers. Today they range from 30,000...
Tire Return InstructionsThis is for those customers who need to return just tires. For returning Tire & Wheel Packages, see What Are The Instructions For Returning A Tire & Wheel Package? and Wheel Packaging Instructions. Note: You must have a Return Authorization Number to process your return....
Over the past several years, we have seen a large influx of all-season and all-terrain tires that are severe snow service-rated, and therefore branded with the three-peak mountain snowflake (3PMSF) symbol. This is a trend we expect to continue, with the three-peak mountain snowflake symbol...
Many tire manufacturers use very aggressive tread compounds for the Track & Competition Track & Competition DOT-legal tires they've developed for autocrossing, track days and road racing. And just like other high performance parts, these tires will provide more consistent performance...
When it comes to installing tires that are within 2, 3 or even 4 years from the date of manufacture, common questions we get from customers are often things like “how old should my tires be?” or “how long should my tires last?” Modern tires feature anti-aging ingredients...
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