I'm not 100% certain that stainless steel is the best choice for this application. This part absolutely needs to be as tight as possible as even the most minute movement will cause the shifting to be less than smooth. Stainless is soft and if you have ever had a stainless bolt weld itself to a stainless nut from being overtightened, you will wish that you had used a different material. Anti-seize helps greatly but is still not a complete solution.
Ron
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