Vintage Speed has everything.
https://www.parts123.com/parts123/yb.dll?Parta~PartSort~A0~cadegdha~~~~A240~A221
Including a bad attitude.![]()
I have the parts that you need. There are actually 4 parts needed. The part that you mention, the spring, the collar, and the retaining pin. I will send them to you for free if you want them. I just need your mailing address. nick.