I just bought a two-door 1972 Chrysler New Yorker Brougham. The car appears to be in good shape but its vinyl top is dry-rotted and needs replaced. My initial plan was to order the correct material from SMS (which I have read is now the only game in town), get Legendary to cut and sew the top, and then have a qualified installer put it on the car.
Notwithstanding what their website...
1972 New Yorker vs. NYer Brougham: A Vinyl Top Question (2dr)