Yes they do - just not parts of the cow we'd normally associate with eating...
Bullet should have acces to all of Ultradyne, yes. As far as I'm concerned they are one and the same, although the Bullet stuff has more recent engineering in them.
As far as simple answers - if that were the case everyone would still be using lift and total duration to choose cams. So I took the path of he's gotten some info, enough to know duration at .050 is important, and wants to know more in order to choose. Sorry for complicating it so much.
