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Old 08-10-2013, 03:28 AM   #1
logicalthinker101's Avatar
Join Date: Jun 2012
Posts: 16
Maximum Width

I am sorry if this has come up before, I tried to find my answer but could not so I am making this thread. Here is where I stand. I have a 2 door jk 07. I vurrently have Black Rock 997685042 Black Rock 997-Series Type 8 Wheels these rims on them. they are 4.25" backspaced. now, as I understand it the factory backspacing is like here is my dilema. I want to do one or both of these things.

First, what is the maximum amount I can go on backspacing before I cause a problem with my jeep? can I add a 1.25-1.5" spacer with the 4.25 backspaced rims?

2nd, my wheels are lugcentric, not hubcentric. I e-mailed black rock for the centerbore measurement...can a hub ring help me? do they do any good?

I was told that if I use spacers I should get hub centric ones, if my wheels are lug centric and my spacer is hub centric (assuming I can do both) can I still use that ring to fix the wheel to hubcentric?

I hope I got that out clearly. I am currently debating on a level kit or BB and if I add height, would like to add a bit more width as well if possible.

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Old 08-10-2013, 05:05 AM   #2
Jeeplover1's Avatar
Join Date: Mar 2012
Location: Arkansas
Posts: 15,531
The only advise I can contribute is on wheel spacers DO NOT go chepo... Your life could depends on these. I know spider trax are well made.

Im a Vet and bled for my beliefs and was willing to die for them, what have you done for yours?
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Old 08-10-2013, 05:45 PM   #3
logicalthinker101's Avatar
Join Date: Jun 2012
Posts: 16
Thank you but I need to know if it is too much to add them to my current setup and if I can still use hub rings to mount my wheels onto the spacers hubcentrically.
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Old 08-10-2013, 05:46 PM   #4
logicalthinker101's Avatar
Join Date: Jun 2012
Posts: 16
I like the look of the blue spidertrax 1.25 spacers a lot!
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backspacing , rims , spacers , tires , wheels

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