How much HP or Rpm can a stock bottom end with stand

Thanks for the reply. My engine was checked by him for all my tolerance's before i built it. I have chatted to him in the past and his opinion is don't rev it over 6000rpm but we never really discussed HP
There must be a heap of guys running decent HP on there small blocks on here on a stock bottom end. Anyone got some numbers numbers they have been running on a stock bottom end?

What is the job of a girdle?