Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
I also can't see any pictures.
I cant see the original pics either
500 heads and cam covers are pretty common, as are camshafts. Far cheaper to just buy good second hand ones. I'll have a look and see if I can help, I have loads of spare parts for 500 engines.