Fiesta Supersport
I have found these links to be really useful for all things Mk1 and Supersport
Fiesta Club GB - Main Site Fiesta Club GB - Forum
XR Owners Club - Main Site XR Owners Club - Forum
Ford Fiesta Mk 1 - Main Site Ford Fiesta Mk1 - Forum
For Hadrian manufactured panels Beevers provide a good service
Beevers Car Panels - Home Page Beevers Car Panels - Mk1 Panels
For Spare parts, new and second hand, including brakes and suspension upgrades I used Fiesta Centre