Pedal Push ROD needed

OK another part I need. I have a 64 Dart, was the old single master drum setup, anway went with a 70 dart 4 piston disc manual disc master. I need the push rod from the pedal to the master. My old one is the type that bolts int othe master, dont see how I can make it workl.

Anyone have one for sale or what I can use or where to get one from?

thanks!