Here the the head.....obviously first step would be to remove cam cover bolts..
Shot with the cam cover removed and cams exposed: Notice the cam hold downs, these are soley to hold the cams is place and from what I understand not a true bearing surface. Underneath the front hold downs is a thrust bearing which looks like it helps keep the cam from walking(maybe someone can shed more light on its purpose.)
Cam plug/Seal: These are the rubber plugs you can see at the end of the ends, 4 per head....