305's will fit with stock wheels and a little crank, that's what I'd do man.

 

what size is a 305 i know its a dumb question but i got to ask

 

Haha, no problem man. One thing I just realized is that the HD's had a smaller width wheel (6.5"). So you may not want to run 305/70/16's. I'd say your best bet would be either the 285/75/16's or better yet, 255/85/16's. That way you won't have to worry about trouble getting the tire to seat on the bead or uneven tire wear due to the wide tires and skinny wheels.

 

ill look into those thanks

 

the 285's fit fine i got them on my 1500HD

 

I'm looking to put 285s on my 1500HD as well but was wondering if it would be too much of a stretch. The manufacturer says it's outside the range but I know guys run larger than that, so what do I need to be concerned about? What brand of tires did you put on there? OP sorry for the minor hijack...