OK where you talking about the speedo gear, I also have several of them, what color do you need, Superhart has the black, I have others if that doesn't work, you have to figuer the tire size and the rearend ratio to get the correct gear try this web site
http://www.sccoa.com/faq/speedgr.html I bought my gears from
www.JohnsMustang.com he has parts you can't find anywhere else