I was worried that I didn't remember the model-year change correctly, and I didn't. I was also hopeful that Captainfab would come along later and correct that in his usual non-critical fashion, which he did.
I know there are several sources for these axles, I just haven't had the need to remember them, but here's one, note that it does say that the axles are available separately:
http://www.classicperform.com/Store/...k/6364RACK.htm