I had the same issue with the Camaro rear end in my '54. I used the Camaro cables, cut them down with a stop swagged onto them. I bought the stops and rented the swagging tool from the local sailboat supply shop. A piece of rectangular tubing was used to adapt the clevis to the brake cables.
Attachments
DSC02199 copy.jpg (109.56 KB, 42 downloads)
Parking brake attach
DSC02198 copy.jpg (126.67 KB, 42 downloads)
Parking brake adapt


Gord 🇨🇦
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1954 1/2 ton 235 4 speed