Tire sizes running on JK w/2.5" front, 2" rear coil spacers and 1.25" wheel spacer - Jeep Wrangler Forum
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Old 05-11-2019, 07:21 PM
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Tire sizes running on JK w/2.5" front, 2" rear coil spacers and 1.25" wheel spacer

Subject mostly covers it. Time to replace my stock tires on stock Rubi wheels on my '15 JKU. Planning BFG K02s based on how I use it. Anybody running the Terraflex 2.5"/2" coil spacers along with 1.25" wheel spacers with the stock 17" Rubi wheel have a good photo or two of a their setup or at least the good word? Either going to leave it like it is and just put the 265/70/17s on or add the spacers and a larger tire.

Appreciate it.

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Old 05-11-2019, 07:23 PM
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I should add that I appreciate everybody here. Even though it is my first post, the resource has been appreciated over the years for maintenance. I just haven't had a question until now. :-)

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Old 05-11-2019, 08:59 PM   #3
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A 285 75 17 or even the new 35 10.5 17 tires.
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Old 05-11-2019, 11:07 PM   #4
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I would also suggest the 285/75-17. You will need bump stops though. The TF spacer lift comes with them. That would be a great setup.
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Old 05-12-2019, 04:17 PM
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Bummer that the BFG K02 doesn't appear to come in that particular size. 285/70/17 vs the 75 you both recommend. Slightly subtler upgrade in size from stock.
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Old 05-12-2019, 04:23 PM
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I see the 34/10.5/17 however. Little bit narrower, little bit taller.
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Old 05-12-2019, 05:12 PM   #7
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I see the 34/10.5/17 however. Little bit narrower, little bit taller.
the bfg ko2 34x10.5-17 is actually shorter than most 285-75-17.
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Old 05-12-2019, 05:15 PM   #8
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KO2 can be had in a 285/75/17 though it's a load range E. Be forewarned the KO2 in a 34/10.50/17 is only 32.25" tall mounted under the weight of the Jeep.
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Old 05-12-2019, 06:53 PM   #9
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I’d get the Falken AT3W in 285-75-17.
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Old 05-12-2019, 07:47 PM
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KO2 can be had in a 285/75/17 though it's a load range E. Be forewarned the KO2 in a 34/10.50/17 is only 32.25" tall mounted under the weight of the Jeep.
Thanks for the tip.

@AzHyper BFG doesn't show that size on their site for the line but I do see it listed with discount, tire rack, etc. Odd. Thanks for letting me know.

@Comanche I'll look at the Falken. Any particular reason other than size?
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Old 05-13-2019, 08:22 AM   #11
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I think Falken is hitting out of the park right now. I’ve always been a BFG and Cooper tire buyer but they have put a Premium price on their tires. The Falken price was much less last time I checked. I also would not worry about running an E rated tire on your Jeep.
Nitto also makes a 285 75 17 all terrain tire in both a C and E rating. The ridge grappler.
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Old 05-13-2019, 08:37 AM
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I think Falken is hitting out of the park right now. Ive always been a BFG and Cooper tire buyer but they have put a Premium price on their tires. The Falken price was much less last time I checked. I also would not worry about running an E rated tire on your Jeep.
Nitto also makes a 285 75 17 all terrain tire in both a C and E rating. The ridge grappler.
Thanks. I figure the transition from an MT to AT tire will likely make me less sensitive to the E rated tire (vs. C) anyway, so I'm not as worried about that. My primary reason for backing off the MT tire is wet traction out here in Seattle. I'm on a lot of wet concrete around here. But if the E rated AT is an improvement over the stock MT, I'll be just fine and dandy and I'm sure it will still handle my off road use which is limited to driving trails down to river banks.

Again, I'll look into the Falken...and the Nitto. Thanks.
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Old 05-13-2019, 04:26 PM   #13
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I am running Nitto RG's 285-75-17 with a Q-tech leveling kit and 1.5" spacers on stock rims.
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Old 05-13-2019, 05:11 PM   #14
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I love the Nitto Ridge Grapplers, but I recommend them a little less than I used to, because even in the C load version, the sidewalls are stiffer than the KO2 or the AT3W. This in turn makes for a slightly firmer ride... Just is what it is.

I too would choose the AT3W over the KO2. But no mistake, the KO2 is also a very good tire. They just run a bit small and that bothers me a little.

The other 2 to consider are the Toyo ATII and the Cooper S/T Maxx. But both of those will be much higher priced than the Falken.
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Old 05-13-2019, 07:55 PM   #15
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also look at some 255/80-17's. That is a nice tall tire compared to a stock 255/75-17. My buddy is running the Falken at3w in that size and I am kind of wanting a set for road trips.
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Old 05-14-2019, 01:53 PM
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I love the Nitto Ridge Grapplers, but I recommend them a little less than I used to, because even in the C load version, the sidewalls are stiffer than the KO2 or the AT3W. This in turn makes for a slightly firmer ride... Just is what it is.

I too would choose the AT3W over the KO2. But no mistake, the KO2 is also a very good tire. They just run a bit small and that bothers me a little.

The other 2 to consider are the Toyo ATII and the Cooper S/T Maxx. But both of those will be much higher priced than the Falken.
Much appreciate the added info. Have you read much on the forums about wet pavement performance between these options? And, of course, the 'if price was no object' version of the question just in case you have a true favorite.
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Old 05-15-2019, 10:16 AM   #17
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Much appreciate the added info. Have you read much on the forums about wet pavement performance between these options? And, of course, the 'if price was no object' version of the question just in case you have a true favorite.
I can't imagine any of those tires being less capable in wet weather than another. But the Toyo receives a lower wet weather rating than the others. Also, the Falken is a 3PMSF tire (3 peak mountain snowflake) which means it is exceptional in inclement weather as are the KO2's. Duratracs are also 3PMSF rated and as long as you aren't at a high risk of sidewall damage, they are also a great tire....

So, I sat back to look at your last question and tried to apply it to myself. And having recently run the S/T Maxx and my experience with the others, my Frontier is going to need tires later this year and it will likely get the Falken AT3W's...
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Old 05-16-2019, 11:35 AM   #18
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I think my set up is pretty close to what you are looking for. I am just a little under 3 in front and 2 in back. I had planned on doing 285/75 Falkens but then came across the same size in a Toyo AT 2 from Walmart of all places. I paid 197 each for them. I see now they are a bit more but still a really good deal. https://www.walmart.com/ip/Toyo-open...y-bw/131059440 I mounted them on my stock Willys wheels with 1.5 spacers. Hope this helps.
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Old 05-16-2019, 06:40 PM
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I think my set up is pretty close to what you are looking for. I am just a little under 3 in front and 2 in back. I had planned on doing 285/75 Falkens but then came across the same size in a Toyo AT 2 from Walmart of all places. I paid 197 each for them. I see now they are a bit more but still a really good deal. https://www.walmart.com/ip/Toyo-open...y-bw/131059440 I mounted them on my stock Willys wheels with 1.5 spacers. Hope this helps.
Thanks. Helpful, yes. Do you have the spare on the factory carrier? Any issues?
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Old 05-17-2019, 09:32 AM   #20
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I'm running something close. 2.25" front spring spacer, 1" rear spacer. 1.5" wheel spacers. Running 295-70-17 Dick Cepek Extreme Country. To avoid fender rubbing when fully atriculated (disconnected sway) and turning full lock, I cut the lip only out of the front fenders at the center section tapering to about 6 inches either side. So it looks stock from the side.

The reason for the spacer sizes is that the rear is a Terraflex and the front is DIY by me, done in incremental disks, so I can make it whatever size I need. With the spare tire moved inside the rear cargo area, the rear raises up a bit. The front has been adjusted to be nearly level. I hate Jeep Rake.
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Old 05-17-2019, 11:31 AM   #21
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Thanks. Helpful, yes. Do you have the spare on the factory carrier? Any issues?


Right now I still just have my original bfg mud for my spare. But I plan on getting a matching one very soon. Here is a pic of how it looks right now


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