Shaft style is the way to go for valvetrain rigidity. Damn expensive, but say goodbye to broken studs and springs.
I have T&D rockers for my INDY heads.
I am guessing you are talking about a Ford or Chevy,or Olds. Dodge already has shaft style.
Brian
[ June 28, 2003, 11:25 PM: Message edited by: wsuwrhr ]