70 Dart Kelsey Hayes rotors

Rockauto shows no stock. I assumed that these would eventually be available and spent many hours rebuilding my calipers. Summit says they can special order and at least one other vendors claim to have stock
https://www.summitracing.com/parts/ceb-121-63005https://www.vividracing.com/centric-ctek-standard-brake-rotor-12163005-p-153962676.html