Dear Adrian,
Glad to get your message.
If your CPU water block in TITAN X 1.2 is for AMD,
You only need to use the AM5 screws kit (BP-CPUPDB-AMD5MS).
You can buy it here.
If you have any questions, feel free to contact us.
https://www.newegg.com/p/2YM-0001-008N9?item=9SIAEMWJ9X7313