cg5+c8

What do I need to mount a C-8 to a CG5 mount, and where can I get it. I know it's a bar that bolts under the ota and sets in the cg5 saddle, but I can't find one. I checked the celestron site and a few sites here listed on the home page, but I didn't find anything. I was hoping somebody here could point me in the right direction.
Thanks
Roger

I bought mine from Kens rings and telescopes accessories, an astromart sponsor. Is called a dovetail bar and I believe it was around $100.

dave