here are the 2 springs I have. They might still be good. Maybe someone has one they can measure upside down like this to see if mine are really worn. It is at 6 1/4 inches at the arch. I like the idea of using these being they may be slightly worn and not too stiff. New ones are really stiff new.
~ BD. "You won't find me in an old folks home" Pioneer Florida Cracker 1958 Apache Stepside 1958 Apache 1/2 ton Panel 1959 Apache 1/2 ton Panel
