Slick 60's

Hey guys. I pulled a nice deluxe heater from a 63 f800 firetruck. It needs new seals but the vent door handle is intact and thats why I bought it. So I haven't seem a seal kit so I am assuming Ill have to make my own? And I've found a nos acordion seal for the vent to cowl area on flea bay so its down to the seals and the fiberglass repair on the quarter sized hole. Any advice is appreciated.
Thanks in advanced.

I am not sure if I am thinking of the seals you want.. But I think I made some type of foam seals for my 64 out of a large mouse pad.. or was it some thin wetsuit type material/neoprene ?... Maybe thats what you are looking for..