Are the brake calipers bigger on 2012 Sahara vs. 2007 Sahara? - Jeep Wrangler Forum
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Old 12-15-2012, 01:41 PM   #1
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Are the brake calipers bigger on 2012 Sahara vs. 2007 Sahara?

I am still having trouble finding out if the pro comp soft 8's will fit my Jeep. A salesman at 4wd says no 15 inch wheels will fit mine because the Sahara and Rubicon have bigger calipers. Someone please help! I want these wheels so bad!

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Old 12-15-2012, 03:50 PM   #2
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Never heard that before.

As far as 15"'s go....most alloys fit, but not all steel wheels fit. I think soft 8's will work because people are running them.

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Old 12-15-2012, 06:37 PM   #3
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For what it's worth, I have 15" MB72's on my 2010 Sahara. If you can use them to compare to the Soft 8.
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Old 12-15-2012, 08:15 PM   #4
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My internet is sporadic and I was going to add to the above post but couldn't and I just got back on now so...

Discount Tire told me it's the way steel wheels are made leaving a lip on the outside edge that hits the caliper. Aluminum wheels do not have this lip and so they clear.

I was told by another person 16" steel wheels will clear even with this lip. I chose to go with aluminum because of weight. Quite a few pounds of unsprung weight saved there.
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Old 12-15-2012, 09:51 PM   #5
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No, the calipers are the same on all JKs in the US.

Most 15" alloys fit no problem. I have some on my 2010 JKU right now.

15" steelies will fit provided that you get some with 3.75" of backspacing or less. Anything higher than that, and the calipers will hit the lip generated by the stamping process (alloys are poured, not stamped, so alloys don't have this issue).

Any 16" wheel will fit.

Every tire shop in the universe gets this wrong because they use a computer that tells them the stock wheel sizes. The smallest stock JK wheel is 16", but it only comes on the sport. Rubis come with 17" wheels and Saharas with 18" wheels.

For anything smaller than that, they can't be sure it'll fit, so they just say no.

But again, I (and many others) on this forum are ACTUALLY USING 15" wheels and have been for a long time. If it can't be done, somebody better go tell my jeep.
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