Does anyone know the exact length of the pin that goes inside the spring on the shift rails? When mine came apart there was no pin. Both balls were there and the spring had grease in it but no pin. It is my understanding that the pin needs to be there to prevent one rail from moving unless the other is in the center position (neutral, when shifting with the shift lever). I can make a pin but would take a lot of trial and error to get it the right length. Would sure help to know the length to start with. I am talking about the 6 speed transmission but they are probably all the same.