833 pro shift rings.

if you have the ball and detent side cover, you have to lay the detent back toward the gear, so it will engage gear more. one the oldest tricks in the book. easy to do . I did that back in 79. all detents are not the same! also, no stops on shifter.
It has the ball and detent. I think it would still work if the fork would travel further each way. The stops were removed from the shifter. How do you lay the detent back toward the gear.