Billylevin :
a gpu water block for my gpu cost 150 and i have 2 gpu its sli 780
If you wanna go cheap, go closed loop, but don't ever go to some site and buy something you don't know about. Consider XSPC Raystorm Kits. From what I see, you want a 240mm rad kit. I would recommend the Cooler Master Glacer 240l. You can expand it and add your GPU, and for the same price as that junk you dug up.
(NO OFFENSE)