While the TitanX block should work fine, EK outted a press release indicating they are releasing EK-FC1080 GTX Ti water blocks that are compatible with multiple GeForce GTX 1080 Ti based graphics car... EK Outs Full-Cover water blocks for GeForce GTX 1080 Ti graphics cards
Haaaaaa. nice try. It shows up in the EK configurator. So it does work. For some reason they just didnt add evga to this list.