Which direction is the scoring in the cylinder? You aren't talking about the lip at the very top of the cylinder, correct? If you can feel it, you should be able to see it too.
Minor pitting on cams isn't a big deal, send us a picture, so we can evaluate it. If they need work, would look for a set of used ones. Restoring cams would be on the order of $200.
Does the sun ever shine in the winter where you live? You guys are a pale set of people!
George