Hi Guys, After noticing my Res' levels diminishing following a house move, I put the PC up on a bench and noticed I was losing water through a crack in my EK TITAN X block on my 980TI. After trying to bog it up with Super glue, PVC adhesive then JB Weld and still losing fluids; I bit the bullet and went to PCCG for a replacement. Given the nickel/copper heatsinks are the contact points and the ones needing more machining (and that the EK Plexi full cover 980's are on sale for $69) took a gamble that this would be a "top" fit - and if it weren't there's always the FS forums. Based on the universal O ring here: https://www.ekwb.com/shop/replacement-o-ring-fc980-fc1080 I'd guess it's also compatible with the: - EK-FC980 GTX - EK-FC980 GTX Ti WF3 - EK-FC Titan X - EK-FC1080 GTX - EK-FC1080 GTX G1 - EK-FC Titan X Pascal Hope this saves someone who's over-tightened their terminal bolts or otherwise cracked their top. Ads.