Bendix starter problem

[KCW]

My 26 T roadster starter is broken. I don’t know much about starters but thought maybe the Bendix spring broken. I bought a replacement kit off of Langs for about 100$, includes everything, not just the spring. The spring in my starter is actually ok, but the entire mechanism that sits on the shaft is broken.

The issue I am having is that I can’t this piece off of the shaft. I did get the first piece off land the little metal key out, but the remainder is stuck. Any advice? Photo attached for context. Thank you in advance!