However, if you don't already know, the front door is not the same between 1964-1965. Weird but true. You can interchange the entire front window assembly with hardware etc but you can't interchange pieces between the two years on the front door hardtop or convertible window assembly. I learned this the hard way about 30 years ago when I had my 64 GTO clone convertible.
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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)