can some one tell me

i have a 350 that a friend said was a hercules crate 350 i caught the gm part number on the back summit racing is closed and i dont know what it was originally in the number is either GM 1401207 or GM14010207


the last number is a bit hard to read a quick response would be appreciated ty

~shawn

You can find information on casting numbers at the following link.
www.mortec.com

:cool:cool much appreciated:)
~shawn