Highest flowing sbm heads?

Maybe Don will come back and call me a liar again. Or maybe he’s busy on the car lot waxing someone’s wheels. Lol
Wish I had a 10 second 4.125 inch stoker.

lol…. Just posted about the only data I have ever seen on those heads. Wasn’t much actual track data on them
i don’t have any financial interest in anybody that produces heads. Your stuff runs great, don’t think a single person on here has ever said otherwise.
guess I don’t understand the smart *** comeback