Lol, no not paint, they have been to camcoat for skirts and crowns work
Have you painted these pistons?
Just to point out that, if you have painted them then your going to potentially damage your engine very quickly. They need to be bare aluminium against the cylinder wall to allow the oil to lubricate them. When they get hot mixed with oil the paint will turn into a paste and very quickly wear the piston and bore out!
If they have been professionally coated in some sort of protective/slippery coating then pleas ignore my raving!
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