Quote Originally Posted by ecreek View Post
no, I meant vortec head casting #'s are what I don't kno what to look for.....
Lynn gave you a link for the Vortec heads from Summit back in post #5 and clarified that you'll need the Vortec intake for them to work. As for "...will they all fit?", I'll leave that to the Chevy guys that have kept up with all of the details through the years.