Ya,I'm from Michigan. Do you still have those sprockets? I've got the planter here yet and would like to have a pair for the 66 I have now. We sold the old one to a parts yard and didn't even consider that we might want those. I stopped in 10-12 years ago to the place where we sold it to see if they were still there. One was,but they had pulled the other axle,didn't know what ever bacame of the sprocket.