Brake Rotor Help, 1966 Morris Mini Cooper

I have an old SCCA Racer Morris Cooper, the front brakes have been quite heavily modified from the originals. Stamped on the edge of the rotors is a series of numbers, I assume part number, and a Brembo manufacturers stamp. I have tried crossing the numbers but cant seem to find anything, I was hoping one of you might have better luck! The part number is either C2 87 A, O2 87 A, or 02 87 A, thanks for your help!

submitted by /u/Kucharski94
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