You might try sending a private message to the owner of the car featured at the top of the page. You can find him on the main index page, bottom topic, feature car of the month. He's 68sd396rag and I know he has some spare Beaumont parts. Just not sure if he would have a dash for you.
Oh, and welcome here too!
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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