The
only company making molded carpet in the US is Auto Custom Carpet (ACC). All the listings of molded carpet are ACC supplied.
As far as I know, the only difference in 2 door versus convertible carpet is the length of the carpet under the rear seat. If you look at a 2 door, the rear seat bottom has square front corners that cover that area and the convertible seat is both narrower and rounded so the carpet under that area shows. (first picture, not my car).
That said, when I put the new carpet in my '65 300L, the back was cut long enough for a convertible (mine is a 2dr hardtop) (second picture, my car).
What I suggest is you call Stock Interiors, a vendor I've had good luck with and I understand is "hooked up" with ACC. They may be able to help.
Auto Carpet for Car, Truck, Van - Stock Interiors
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