Speedometer cable for 1965 Plymouth Barracuda 273

RandyB said
Think I found a good used one

Rusty won't steer you wrong.
But even with a good used cable, it may be worth it to put on new O rings & seal, just to be safe. They can be frustrating leakers after almost 60 years.
Like these:
Speedometer Pinion Seal Set for 1960-1965 MoPar A-Body (moparmall.com)