'67 BUCKET SEAT HEADREST FABRICATION.
Oh, that's interesting. It looks like there are about 5 notches, and about an inch apart? I measured up from the bottom of the rods on mine, and figured one notch at 2-3/4" up would be just right for my head. Maybe make a couple of more right around there?
Could be pretty sketchy trying to duplicate the notches with my die grinder, at least to make the look right. maybe keep them below the top of seat?
The rods look like the same curve as the '68. I had been concerned about that, but figured the seats are the same, so it should work?
As it is, the spring clips hold the headrests up pretty good, so far...