This company manufactures and markets complete disc brake conversion kits for '55-'66 Tbirds and other classic cars.
Classic Disc Brakes.
Their phone number is: 888-697-8264, in Colorado.
Select their Tech Support option #203 and ask for Bob. Page 1 covers '55-'57 & a '66 Tbird. Page 2 '55-'64 Tbirds.