Check out the parts list (#0) here, Rotorclip, iirc these are the one Robinson uses. I don't have a Robinson'd transmission to measure up and be sure but I am certain the circlip part of his service I copied for the 6th gear project, he gave me the detail.
I have a bag of 50 of each, if you need a few posted...
...I really wish that 6 speed had come to production... would solve a lot of problems I'm going to have next year. I also have been dreaming of the 6-speed.... he says it will take $100K if we can get 100 buyers to tool up and produce them.
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