There were two types of choke plungers used. The bare metal ones like your originals were used on '80-'81 models .....
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On the '82-'83 models, a plastic bushing was added retained by an e-clip. Your replacements are this type .....
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The clip on the choke rod also differs. The slot that fits onto the choke plunger is different widths. Yes, I think you can just clean up your old choke plungers and use them. You really don't have a choice, lol. You don't have the plastic bushings for the new choke rods and you can't buy them anywhere. And the clips on your choke rod wouldn't fit onto them anyway.