Yeah I looked at those very FK lowering spring plates too on the CarpartsTuning site as it had the same style as my old ones and looked wider too.
I sent them a message enquiring as to whether they would fit mine but all i got was:
"sorry but these use the original spring plate we do not have them for this kit.
As for the other item I have no info as to if they fit the spring or not."
I also googled the FK part number FKFT17 and ended up with images of the spring plates that i already had..
e.g. (
http://www.dcperformance.co.uk/cheap/232363/volkswagen/eibach-multi~pro~r2-coilovers/fkft17.html)
...so i left it

but hey the images in that link above could be wrong.
Would be very interested in what turns up at your door when you get them though
