You have a 64 polara convertible what will fit it door wise is a 65 coronet conv., a 64 plymouth conv.,and a 65 belvedere and satellite conv. The following will fit however interchange is limited to door, less glass and vent frame, these will fit 64 440 & polara 2 dr hdtp. dodge pass,65 coronet 2 dr hdtp. plymouth 2 dr hdtp. and 65 belvedere & satellite 2 dr hdtp. lees glass and vent change but same doors shou ld be same panels, don't know about back panels, this is from my 36th addition hollander interchange manuel. good luck, hope this helped some.