The four door parts are not meant to go on your two door, but I think that they may be able to be joined together by a body shop and then buffed out....
Try https://www.rubbertherightway.com/window-channels-sweepers-fuzzies-beltline-54114-prd1.htm or google auto window sweeps and see what's available...
One idea would be to make a small cover plate out of stainless steel strip material to bridge the gap. This was done sometimes where a large left and...
