The brake caliper adapter set is for installing emergency brake shoes to series 944 or 968 with 996 brake rotors. The set comes with two steel adapter plates for emergency brake cables.
Reference code for the Turbo and GT2/GT3 330 × 28 mm rear brake rotors: 996-352-405-01 and 996-352-406-01
Reference code for the brake shoes: 997-352-993-01
Porsche 944 / S / S2 / Turbo ’87-