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I can't comment if removal and re-install one at a time would cause a leak.
Yet if I did remove, I would replace them with new.
Plus, again just guessing to mitigate any leaks, if removed, do that removal on a cold engine.
A torque wrench may be essential for reinstallation.
Otherwise, as mentioned above, make a protective template, clean as good as possible, add some clear coating or silver paint, and/or perhaps buy chrome covers.
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