[Juggalo23451]

Antec 900 is meant for air cooling there is really not going to be any room at all in your case. I would suggest to get a full tower case before you go water cooling.
Like the Cooler Master Cosmos or the Cooler Master Haf, the Silverstone tjo7 etc

 

[Juggalo23451]

Quote:

Originally Posted by michinmuri OK. I appreciate all the help, but wha All do I need for this undertaking. I understand I'll need a radiator, tubing, fluid, clapms, blocks for the CPU and 2 GPU's. You also need a pump, right?

Thats correct I would get a MCP655 pump