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Old 10-25-2003, 11:06 AM
Duke2.6 Duke2.6 is offline
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Join Date: Mar 2003
Location: Southern California
Posts: 2,055
Originally posted by smk_texas
The speed rating on the tires is 91V which i believe is 129mph -139mph.
"91" is the load index - a symbol that indicates the maximum load capacity of the tire, which is also placarded on the sidewall in plain english and metric units.

"V" is the speed rating - 149 MPH.

Together "91V" is called the service description.

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