What valve springs are these?
http://img860.imageshack.us/img860/6...6191723945.jpg
http://img850.imageshack.us/img850/4...6191559880.jpg
http://img52.imageshack.us/img52/373...6191642607.jpg
You seem to be pointing to the rockers. Looks like a clean, rough section on the top there. But most of the stock valve springs have a paint mark on them. That may be what you are seeing.



