We needed the "Buttons" that raised up the sunroof into closed position. Tried to fab some up, but that did not work well. Then stumbled upon a mid 70s New Yorker. It was the same sunroof and had the buttons and a couple other seals that worked perfect. It looks like 76 -78 Caddies have the very same sunroof. That is not a 100% confirmation but the inserts appear to be correct for a Mopar. One of these days I will take my leftover frame assembly and accuaratly measure it. My information originally came from a retired American Sunroof person.