So no one listed on the "Sticky" at the top of the forum page will sell just the bows? Alternatively, they are easy to fabricate unless you don't have an old one to replicate from.
might try Tam's Model A Parts, Massachusetts? www.Modelaparts.com or 1-800-272-7871. They may ahve some lying around. or Berts in Denver. www.modelastore.com