max tire size w/ leveling kit

[Durabuild]

Hey guys,

I'm looking for some advice on what size tires I can clear now that I got the leveling kit for my 2015 2500HD. I'm currently running 275/70R18 with no issues but would like to beef up the size as much as possible without rubbing. Any input would be great. Thanks.

[theJman]

I have a 2018 with 285-75R18's and haven't had any issue.  They would likely fit your year truck as well.  285-70's would fit too.  A lot of people have installed 295-70's but a large percentage of them have to trim the inner fender well a bit because they rub.

[paauto]

I'm running 285/65/20 BFG KO2s on Fuel Sledge +20mm offset 20" wheels.  I installed the Wicked bumper spacer kit that moves the front bumper forward 3/4" so I didn't have to do any trimming.  I may be able to squeeze something a bit larger in there, but I'm happy with this set up.  All good.

[alrosa367]

Running 33 12.50 18. On 18x9 with 0 offset. Only minor rubbing of the fender liner when backing up full turn.

No lift or leveling kit.

 

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[gearheadesw]

285 75 18    295 70 18, pretty much the same size tire, never have had 20's so unsure on that.