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Discussion Starter #1
Currently sitting with a 2.5in lift and spidertrax wheel spacers. Still using my stock rubi wheels and plan to get tires again for them. I was looking at the ko2 all terrains since there are so many running them and since this is also my dd they seem reasonable for me as well. My question is with the lift and spacers how big of a tire can I run?
 

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IMO with factory fenders 35" or 315, or with flat fenders 37". Some pinch seam and/or rock rail trimming may be necessary if you go 37".

You'll also need the supporting mods like tire carrier, brakes, axle reinforcement (if wheeling), etc. Also be aware that things like ball joints, unit bearings, tie rod and drag link ends will wear much quicker with bigger/heavier tires.
 

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Discussion Starter #3
So I went into looking a little deeper, didnt have much time waiting for my kid to get out of school. Thinking about going a little more practical for my situation, being that its going to be mainly my DD Im thinking of no more than 34's right now.

Between these, which would be better. Located up in MD and its been a rainy year for us and were expecting snow the end of Jan.:

Pro Comp 305/65R17 Tire, A/T Sport
https://www.4wd.com/p/pro-comp-305-65r17-tire-a-t-sport-43056517/_/R-BKBR-43056517

BF Goodrich LT305/65R17 Tire, All-Terrain T/A KO2
https://www.4wd.com/p/bf-goodrich-lt305-65r17-tire-all-terrain-t-a-ko2-00819/_/R-BDKZ-00819
 

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I went from BFG KO2s 35s to Cooper STT Pro 37s. Wife said they are quieter with the windows down than the old tires with the windows up. I have not got them off road yet but the road manners are better. Price was better to. Even had a rebate.
 

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do not go with a 305/65-17 that is a ~32.5" tire and you do not want to go that short. It also specs at least an 8.5" wide rim. You have a 2.5" RK lift so it will easily handle a taller tire. go with either a 285/75-17 tire or a 315/70-17 or even a 295-70-17 which will at least be a ~33.25" tire and will work well on a stock rim. Remember actual mounted height will be an inch or so shorter.
 
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