Give them a good poke with a screw driver to make sure you do not poke through the metal. If you do not poke through then as others have said, shot blast and paint.
I use por 15 to paint but it is expensive. I am not sure if the bush at the end of the arm could take the heat needed for powder coating.
I have my arms off and they are in better condition but starting to rust. I will be shot blasting and painting.
I don't think the bush is replaceable
macafee2
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