I have a Massey 130 tractor with the 4 cylinder Perkins diesel in it. These are not common tractors, but they are really excellent. Anyway, My tach cable snapped off about 1.3" of the squarish cable at the tach end of the cable. Where would I source a new piece of cable, not the braided part on the outside of the cable. I need 39 1/2" of cable with both ends squared off.