Man! were they hard to get off!!!!

I was wondering if I should put some dielectric grease on them while I put in my new plugs???

Any other tips regarding the spark plug boots?

There was a little oxidation on them, I was wondering if I should replace them?

Please let me know what you think...
Thank you,
Mike McKinney

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1989 300CE - 269,000 km
1994 SL600 - 59,000 km