Will a 33 x 12.5 R18 fit on a leveled 4x4 with stock 18" wheels?

 

How wide are your stock rims? You would want at least an 8 1/2" or wider rim.

 

I'm not sure how to tell.. They are stock 18" wheels that came on my 2008 King Ranch

 

It is usually stamped on the back of each wheel.

 

I'll look. It needs to be at least 8 1/2? What if it's bigger is that okay?

 

Yes definitely would be better.

 

stock wheels are not wider than 81/2” they will fit just fine.. do a search for the tire and wheel fitment guide..

 

So my stock wheels should fit fine?

 

I just looked up your stock rim width and it is 7 1/2" . That is quite narrow for a 12 1/2" tire. It will mount but not recommended for that width rim. It's up to you. The tire may look a little bulged from the rim pulling it in.

 

So... an inch wider wheel ... that's a half inch on each side would make the difference ?