'68 Barracuda Notch
Oh I see what you're saying. There is a metal extension that keeps it away from the retractor. You can kind of see it in this picture:
I believe that this is the set I bought:
1968-70 Mopar A Body, 3-Point Conversion Seat Belts, Bucket. The pictures are a little difficult to tell from. I should be able to get the car back this weekend, so if you need more pictures, let me know.