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New to the Forum and need help with new tires for my 2008 Ram 2500 6.7 4 door longbed.

Question - what is largest tire I can fit without a lift kit or leveling spacers on a stock 17" rim?
If I were to do the 2" level kit, how big can I go?

95% driving done on highway

Thanks for the help
 

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33's without a leveling kit and 33's with a front leveling kit and of course you need to watch the offset of the wheel you get.

I have a 2009 Dodge Ram 2500 diesel with a 2.5" leveling kit and went with 35 12.50 tires and a wheel with a -12 offset and the tire hits the back part of the fender on sharp turns. So those wheels came off quick.
 

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I have no lift at all, with 17" H2's and 305/70 Maxxis Bighorn (34x12.2) and I am nowhere close to rubbing anywhere. Hope this helps.
 

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315/70/17 or 35x12.50x17 with minimal rubbing. 285/75/17 or 305/70/17 with no rubbing and these tires fill the fender up perfectly without looking to big.
 

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285's without a lift, 315's with a lift but they could rub the control arms.
I just put 35's on my H2's and they JUST clear the fenders and no where near rubbing the control arms.
 

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The only bad thing about 305's is most of them are D load(8 ply) and you really need E load(10 ply) for these heavy trucks.
 

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Toyo and/or Nitto makes 305 E rated.
 
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