Hello Luis,
Our water block BP-VG3090EVFTW is compatible with EVGA Ultra RTX 3080 FTW3.
You can buy it here and also use the BP-VTS-PCIE4 to make the card and water block vertically. Also, you can choose the OD16mm hard tube BP-CLT16-90R and BP-EML16, and BP-90R as the tube and fittings.
https://www.newegg.com/p/37B-000X-004U8?Item=9SIAEMWEBV8571
https://www.newegg.com/p/37B-000X-004Y5?Item=9SIAEMWEYC1611
