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18x9 wheels offset/backspace?

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Old Jan 17, 2012 | 01:24 PM
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cboggs
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Default 18x9 wheels offset/backspace?
Im looking at some wheels that give me some offsets but need to know what the backspacing is. Tires will be 37x13.50x18 Toyo MT on a 2012 JKU Rubicon with RK 3.5 X-Factor lift and PSC Tube flares. Offset choices are 30 and 14. Which would work better?
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Old Jan 17, 2012 | 02:48 PM
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Never mind, I noticed they were positive offsets.
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Old Jan 17, 2012 | 03:01 PM
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For reference:

9" wide wheel with -12mm offset = 4.5" BS
8.5" wide wheel with a -6mm offset = 4.5" BS
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