Aftermarket/Replacement Cylinder Head Rule Change

[Mike Pearson]

Originally Posted by MR DERBY CITY

Nice, and you guys think that there are NO crate motors in NHRA....

Its getting real hard to find some of the older factory heads that are 40 years since they have been produced. I welcome the ability to start with a brand new casting. Just keep the original valve size, port volume and chamber volume as original on the NHRA head CC volume list