HolBrook Racing Engines Makes History!...

[Crew Chief]

Originally Posted by sq34

The Boys in blue left a digit off the casting number. Not happy

Let this be a warning to everyone, especially those with the new factory cars. Be sure the casting numbers on your engine parts match EXACTLY what is shown in the NHRA Engine Blueprint Specifications. You can find them on...

http://www.nhraracer.com/

If the numbers do not match, you had better be finding out why they don't.