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31X18R15 Tires

31X18R15 tires have a diameter of 31.0", a section width of 18.0", and a wheel diameter of 15". The circumference is 97.3" and they have 651 revolutions per mile.
Specs may vary by manufacturer. learn more
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31X18R15 Tire Front
18.0"
31.0"
31X18R15 Tire Side
15 Inch Wheel
Circumference
97.3"
15"
8.0"
651 Revs/Mile
31X18R15
Diameter : 31.0"
Width : 18.0"
Wheel : 15"
Sidewall : 8.0"
Circum. : 97.3"
Revs/Mile : 651

Upsizing Wheels or Tires?

When searching for the perfect tire for your vehicle you need options. Click the "Alternate Sizes" button to see a list of similar tire sizes. You can then change the wheel size to see alternate sizes on a different diameter wheel.
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Select a Size to Compare Prices on Available Tires

Mickey Thompson Tires
 Mickey Thompson Sportsman S/R Radial 31X18R15
Sportsman S/R Radial
Street/Racetrack | (LT)99H SL
Avg. $666.81