I don’t believe 440 Source has offered the Stealth heads CNC ported in quite some time.
Not that you couldn’t buy the heads and have a porting service do them up.
I had a customer looking at buying some Stealths and called about them the other day.
He was told they didn’t expect to have any for quite a while.
I think many heads(and a lot of other things as well) are going to be bought based on availability.
Well that's lame. I just spoke to them a couple of months ago and they said that they had them in stock. Stuff is flying off the shelves these days I guess. I have a set of their standard stealth's on the shelf I was saving for my street 440