Navarro 8ba Heads

[KiWinUS]

Originally Posted by tubman

A minor point, but wasn't it the Offenhauser heads that have been recently changed to use the longer plugs? There was an extended discussion on this board several years ago that came to the conclusion that there was no proper length plug currently available for Offenhauser heads and spacers were needed. I have a set of never-been-installed Offenhauser 8BA heads I bought new in the mid-90's that confirm this. The first set of finned heads I ever bought was a set of Edelbrock's in 1961, and they took a Champion "N" series plug even back then. I just bought a set of used Edelbrock's on eBay, and they take 3/4" reach plugs. I know; I measured them yesterday to determine which Time-Sert set I need to fix a bad plug hole. Jeez, are those things (Time-Serts) expensive.

The latest update version of Edelbrock have fully CNC machined chambers.