It's the drag link. They are adjustable. There's a theaded plug in each end that pushes on a heavy spring, that pushes on cup. If it's not worn too bad, you can turn the plugs in and tighten the whole assembly, that is if the plugs aren't totally rusted in. Pull the cotter pins that keep the plugs from backing out. Probably have to warm it up a bit with a torch ( I know "warming" sterring parts is a no-no).
If you can't adjust it, I might have one in the garage, or check with "Phishs Toy" on the board here, I'm sure he has one.
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"I find no fun in being nutsack deep in stank decomposing swamp in order to extract some inbred idiot with a S-10 blazer welded on a ford f-250 frame cause he has open diffs"
- usmcdoc14