Your CMP has Ford brakes. If you can determine the Ford part number you can probably get them from an antique Ford parts supplier. Here is van pelt’s listings.
http://www.vanpeltsales.com/FH_web/c...prices-pg1.htm
http://www.vanpeltsales.com/FH_web/F...akeadj-cam.jpg
I can’t say if the cam is the right part to fit a CMP but with a bit of searching I am sure you will find them.