Four piece 1983-1987 Convertible and 1981-1988 T-top front and rear run channel set is now available.
The front run channels are a high quality reproduction from Ford tooling. These are the last Ford updated run channel. The original part number is E8ZZ-7620564-A. These go down into the door as the front run channel for the door window. They also wrap around and go down the mirror mount to help seal the front of the door when closed.. This kit comes with the left and right front run channel, rear of door end caps, installation hardware and instructions.

link
http://www.mcrparts.com/shop/1983-19...t-p-19034.html