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Old 03-20-2016, 07:48 PM
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Sleddogn's Avatar
Join Date: Sep 2015
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BFGoodrich KM2 sizing questions

I need help choosing a tire size. Im wanting to get the BFGoodrich KM2. They will be mounted on a set of AEV Pintlers. My 2015 JKUR has the mopar factory 2 lift, which seems to have been more like 2.5.
I was originally thinking about the 35x12.5R17LT, But am worried about it being a little too big in my wheel well. There is also the LT305/70R17, then a 305/65R17, LT285/75R17.

Jeep came with the KM 255/75/17. Am having trouble deciding, would like the larger size but dont want any rubbing issues off road. Thanks, and sorry for another tire thread.

Heres a pic of the factory wheels and tires with the lift.

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Sleddogn is offline   Quote
Old 03-21-2016, 02:37 PM   #2
Join Date: Oct 2013
Location: SoCal.
Posts: 1,216
I ran the 305/70/17s with our 2.5" lifted JKU and they still looked on the small side. Under vehicle load they measured 33.3" at 30psi. There are some pictures of them on our brown JKU in my Gallery so feel free to look. I would say though do yourself a favor and go with the 35" KM2. They are only 33.6" under the load weight of a JKU/R at 30 psi. I am guessing you have either 3.73 or 4.10 gears both work well for the sizes you are looking at even the 35"(really just tall 33s).

The 305/70/17s were moved to my wife's JK with 2.5" lift and they look more balanced size wise on a 2dr with 2.5" lift. With 20k miles on them they measure 33.1" under the load if a 2dr.
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