Just found this on their site, looks like lots of power for you kids to play with now. http://www.cbperformance.com/catalog.asp?ProductID=1797 

HOLY SHIT !

i thought the same and had to share, although they do look a lot like performance technology heads.

The First run of these castings were the same as for the COMPONENT DEVELOPMENT heads,
which are sold through "Heads Up Performance" and "Autocraft Engines".

Pat Downs and CB have now done their own version casting and CNC porting,
and it looks as though Pauter is supplying the rocker system.

Autocraft and Heads Up, also do a version that is CNC ported,
but with a different port shape,
and slightly different rocker system.

But can I run them on the street, It dosn't look like you can run tin ware on them, otherwise my order would on its way. Looks like I"ll have go dedicated drag car.

Component development is what i meant to say not pderformance technology silly me hey Dave.

Only 94mm bore tho? Or is that the minimum?