[i][/i] I'm using a A833 McCleod hydraulic throw out bearing with a wilwood master cylinder in my Valiants Doug Nash. Works better than the transmission.

Here is a video with a couple of inside camera shots. https://www.youtube.com/watch?v=Fr60zLwp21E&list=PL1eR6M7gTjX6mXFX-9Hqyl2PHEzmoLQCa