I was happy with just the custom exhaust port I did, cam and springs. There is a lot of potential in those heads like blkblzr01 said.
don't bother payng for the intake polish job. having small pits (similar to rust pitting) is good because it causes unatomized fuel from the carb to atomize...
I usually keep adding a couple drops and squeezing it like a spunge until you can tell by look and feel that it's got enough. You want enough to catch air and dust particles but not enough to hinder performance and air flow. If it was 2 stage I would only do the inner one. The one on the outside...
yeah they do. They have a bearing sleeve you have to knock out then you install the new one and then install the cage with all the needles in it. then you slide a hollow metal dowel through the cages, then put the end caps and seals on, line up the swinger and then the swing arm bolt slides...