Front bumper bracket question
 

How many different brackets are there for the front bumper on 67-72's? I was under the impression that there was just a style of brackets for 67/8 and a different style for 69-72. Are there differences between the front brackets for 4wd vs 2wd?

EDIT: I knew better than what I originally posted. I know of a style for 67-70, and a different style for 71/2. Are the 4x4 different than the 2wd?

Re: Front bumper bracket question
 

I know the front bumper brackets for a 69/70 4x4 are different than 71/72 4x4 because the 71/72 has to clear the turn signals in the bumper.
I'm not sure if the 69/70 4x4 front brackets are common with 67/68 or if 2wd brackets can be used on 4x4's.