Oh, one question. I also was confused about the direction the spring clip faces concerning the notches cut into the stainless steel rods by the factory.
The installation in my pics is correct, it's the only way they can go, and is seen in 65Vals pics as well. But the notches in my '68 headrests (and other newer ones I've seen ) face forward. Do the '67s have notches on the back side to match the spring clip, or are they just smooth rods the entire length? I am assuming the latter, but on the '68 and newer the notches facing forward must be for spring clip detents aren't they?