Department Of Transportation Uniform Tire Quality Grades

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The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.

All passenger car tires must conform to Federal safety requirements in addition to these grades.

See also:

Jacking And Tire Changing
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Replacement Parts
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Head Restraints
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