nailhead 425 Heads

[Grhopperass]

I'm looking at cylinder heads for the 425.Nailhaed
The owner advises that he had the valves
changed to chevy small block valves.
I hav'ent heard of this before.
Can anyone out thee help me here.
Thanks
IF

 

[telriv]

Yeah, I do it all the time. What do you need to know.


Tom T.