If you don't have an old factory linkage to salvage the parts from, it is quite easy to make what you need.
Get yourself a piece of 3/16" round stock, 4-3/4" long, a couple of washers and a spring from the hardware store. Bend the rod 90 degrees, 3/4" from the end and drill a small hole for a cotter pin. The washers can be mounted by either tack-welding or even with a blob of J-B Weld, if you don't have access to any welding gear. I suppose you could make it out of brass and solder it, but I have never gone that route. Let me know how that works out for you.