The Thermaltake Tribe comes with everything you need. The radiator, reservoir, cooling fan and tubing are all contained within an external Unit. The kit also includes the Water Block, an H-clip that supports most any form factor (including 478, 775, K7, K8, Socket A), 3/8″ OD Hosing, Adapter Plug, Screws, PCI Slot Cover for routing the hoses, Easy Fill tank and a beautifully illustrated manual that will walk a first-timer through the installation with ease.
If you are on the lookout to make your rig a water cooling rig, you may want to consider the one reviewed at Overclockers Cafe.