Those are 94-04 cobra 13" calipers made by PBR.
Ford PN FMS-M-2320-AF.
Or NAPA PN CAL SE5440 for Left (CAL SE5440A with the mounting bracket)
https://www.napaonline.com/en/p/SEBS...ndex=Universal
Napa PN CAL SE5439 for Right, (CAL SE5439A with the mounting bracket)
https://www.napaonline.com/en/p/SEBS...ndex=Universal