Nice finds! Looking at the price of that Roadmaster linkage, I'm feeling pretty good about having paid what I did for mine!Here is the link to two different 13" versions on eBay. One says "Roadmaster" and one says "Indian".
indian chief "roadmaster" chrome shift rod linkage heim joint 13" gilroy harley | eBay
Indian Motorcycle 99-03 Chief 02-03 Spirit, Polish Stainless Shift Linkge 88-013 | eBay