Does anyone have the Clubman Corbeau seats?

I bought a pair of Clubman Corbeau Seats. They came with special kit so that yout can use the original 914 rails. I installed them but they seem to sit way to high up. I was thinking about mounting them to the floor but I wanted feedback i what you all thought. Has anyone else had this problem, and if so what did you do???

Thanks,
Steve

here is a picture of the rail...914.

And another one...

How tall are you?

5'10"