According to the "spring man" at Malmberg in Ottawa the type of pins used on the CMP are NO lONGER available.
No charge for the search and they inspected and cleaned my shackles which are OK......
Next option is to ask a machine shop to rebuild the wear area on the pins and remachine to size...... apparently cheaper than fabricating from scratch and quite common on larger trucks.
Shore machine shop in Ottawa was suggested.
Will keep you informed of my findings..... costs ...etc.