HP that moves a 3000 lbs car into the 9's during the heat of the summer.
No B1 or Indy heads that are more than $2500.00 ready to run- not requiring special intake, rockers, headers, etc.
590 or less cam and flat tappet.
Your not under the hood after each pass adjusting valves and it doesn't eat parts after every 10-20 passes.
904 or 727.