Bucket Seat questions for a 70 Duster seat medallions and tracks!!

Hey guys! I'm looking for a pair of seat medallions for a 70 Duster with bucket seats. Does anyone repop these or have a nice set laying around? Also I found some seat tracks laying around for buckets, I will be converting from bench to buckets. These are the part number on the tracks and the only ones I could find on them. It's such an odd number but here they are 30808 10918 and the other track is 30815 10918. Can anyone tell me what these are off of? I have a E and B Body set as well and they are totally different! Any of your help is much appreciated! Thanks for your time!