Originally Posted by GrayJay

Looks like the SS caps were done with cast plugs (where the DAVIDSON logo is). Worthy of saving and it would be a fairly straightforward repair job to entirely unbraze the pinhole SS and refit a new SS (via brazing). The end cap plug would be easy to transfer between the old/new SS, probably biggest hassle would be the delicate brake bridge fitting. Only concern is if the pinhole SS is just "tip of the iceberg" of other internal corrosion on other tubes or if it was just limited to this one SS tube (possibly got filled with rainwater and sat for extended time)??