If I put some 20x8 wheels with 235-245/35-45 tires, will my camber be off? If so, who makes a good camber correction kit for a '99 F-150?

I'm looking at some Centerline Tomahawk series wheels, either the Champ XL or Stingray III, for my silver '99. I don't think I'll be able to upgrade my whole suspension at the same time, just what's necessary.

 

Wheel and tire change alone wont affect alignment.