This is a discussion on "TB stud/bolt thread size" within the Off-Topic Discussion forums. This forum, and the thread "TB stud/bolt thread size "are both part of the General Performance category;
Wondering what the thread size is for the tb studs on the inlet of my M90. I'm currently using bolts per Bilal's advise but I can't take one off to take it into the store to compare sizes. Need to know thread size and what a good length is for putting the tb back on without the spacer.