Greg, I just went out to the "Cobra boudoir" and checked and there is no part number on the rack. What Jim was referring to was the original box had a part number. Good luck in your quest. You mentioned Nick Acton has one.
Search Results : Acton Custom Enterprises, Custom Metal for Cobras
A little pricey, but if you really want one, welll. After all they are hen's teeth.
John O