HI I am in the process ofputting disc brakes on my 67 and I have one side off. On the lower control arm one of the bushings is oval shaped, is that correct or do i need to look for some correct lowers? thanks

It will work just fine, but if you're concerned about "correct", then no, it's not right... oval bushed arms came out in '70.

Thanks Derek

Check this link out. It explains the differences in the control arms.
http://www.leverfamilysite.com/A-Body_three_types_of_lowers.htm
:waving:

The oval bushing is supposed to have a little better ride quality.