Grey Motor Repco Cross Flow heads

Here are some extracts from Phil Irvins auto biography.

 

His Wikipedia Link:  http://en.wikipedia.org/wiki/Phil_Irving

 

The book:  http://www.amazon.com/Phil-Irving-An-Autobiography/dp/0908031491 

 

This head came up on eBay.  Quite rare these days although it's possible to get reproduction heads made up.  They are quite expensive but come as a complete kit with gaskets, valves and manifolds.