Backplate help

[nik11105]

would this backplate work with the stock heatsing or do i have to install watercolling on it???

http://www.overclockers.co.uk/showproduct.php?prodid=WC-084-EK&groupid=962&catid=1534&subcat=

 

[mailpup]

This backplate is compatible only with Reference PCB design Nvidia 470 GTX cards in combination with any of EK-FC470 GTX waterblocks.

It seems clear it is intended for the EK-FC470 GTX waterblocks and isn't compatible with the stock heatsink.