'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:

DSC_0489_zps1adfa535.jpg

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.