kahler tremolo

My beauty has finally arrived and it's perfect. 6 string broadneck vampyre, rusty finish, kahler trem bridge, MEC active soapbars Can't attach more than 2 pics so ask for more and I'll supply lol

I plan on (if I can) installing a kahler on my custom Streamer LX that is about to be ordered. Anyone ever do this? And is there a lot of holes that need to be filled that the trem doesn't cover? I wanted Warwick to install it when I order it, but it is just too costly that way.