31 x 10.5 15s on 8 inch Wheels - Jeep Wrangler Forum
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Old 04-07-2018, 11:54 AM
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31 x 10.5 15s on 8 inch Wheels

I just finished installing a Rough Country 2.5 inch lift so 8 am planning to go with 31 x 10.5 15s. In the paperwork with the lift it said it was recommended for that size on stock wheels but my stock wheels are crap so I was planning to buy something like a pro comp steel wheel in a 15 x 8. The paperwork said 15 x 8 wheels with 3.75 backspace was recommended for 32s, my question is what is the downside to putting the 31s on an 8 inch wheel instead of the factory 7 inch wheels?

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Old 04-09-2018, 07:28 PM   #2
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Hi donecop1!

I don't really see a downside here. Tire manufacturers state that 31x10.50R-15 size tires are safely run on 7-inch to 9-inch wide wheels. I wouldn't hesitate to run that size tire on the aftermarket ProComp wheels you mentioned.

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Old 04-11-2018, 12:11 PM   #3
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Have you looked at national wheel and tire, they have some awesome deals on jeep combos, and they say they come mounted and balanced.
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