Presume from your post it's the 4x2, not C15A? Attached are the brackets you need for the 4x2 setup. Stefan has a couple of the early style of link rods here:
https://www.lwdparts.com/product/lin...k-absorber-rh/
Depending on the year, your truck may have had the same style link rods as the remains shown in my photo though.
Have a good Christmas, one and all.
Owen.