I would have figured all European Ford parts as the were helping Angliss with these. Found this over on Club Cobra:
Mk IV Brake Info:
Vented Brake Disc Rotor: AC - Front rotors are 11.5" in diameter, 7/8 thick and ventilated, 6 pin threaded to hubs, 1/2 inch tophat, 1" bottom offset. Steve Gray at Brooklands has the rotors. They are based upon production units, but are modified. Brooklands Motor Company Front Page
Front Brake Calipers: BMW E23, Model 735 Years: 03.77 - 07.86 ATE # 13.0460-9031.2; trade #’s 20437 & 609031
Front Brake Pads: BMW 7 Series 1976-86 ATE - 13.0460-9031.2 Brake Pad Set, disc brake. Width:89.9 mm, Height:70.5 mm, thickness/strength:19 mm, wear indicator prepared, ATE
Rear Brake Caliper: Peugeot 505 (early 80's station wagon) Peugeot 504/505 part #’s-- 4400.11 and 4400.12
Girling part #’s– 64033853 and 64033854 They are Girling AH12 MK3 types– TRW/Lucas part #’s– BCT 125 and BCT 126
BECK/ARNLEY Part # 0770640S. Beck Arnley part number for the right rear Peugeot caliper (for the left side of the Mk IV)
Rear Brake Caliper Repair Kits: Peugeot part # 4449.15 Some AKL cars used AP brakes. Lucas part # SP 2582
Brake Booster Servo: Ford Sierra MK1/MK2 Brake Booster Servo ‘Girling’ 1982 - 15/2/1993, Ford part # 6195975 Brake booster info– email Bob Green at BG Developments - manufacturers and suppliers of competition and high performance braking systems for over 30 years (New G/Ford booster)
Brake master cylinder: ( 2 versions-7/8"or 13/16" bore) ** 1972-76 MKI Ford Granada Girling part # G 64679152Q123 X, original Girling part # 64066627, new reference # PMH117 **part # stamped on the brake master cylinder