I came a accross a great source (very organized catalog) called AUVECO for any exterior/interior body related fasteners you may need. The company is called AUVECO and is the OEM (if I dare use that ) source of fasteners for the original Kellison Stallions and early West Coast Cobra cars. Its amazing that they are still around. You can purchase their stuff through PARTS PLUS auto stores in the US. go to partsplus.com
Go to AUVECO.com and download their catalog for your workshop, its a great resource. They carry rubber weatherstripping for these cars also.
Enjoy