Competition Products sells Canfield heads for a really good price... They're under $1100 and if you go with a package deal you can get heads, intake, and valve covers for around $1300 shipped. They can also assemble them with any springs you want, any valves, whatever.
I bought a set of 195's for my 11:1 383 build-up. The quality and assembly is great right out of the box. They come very close to AFR 195 flow numbers and I bet with a little bit of cleaning up they'd meet/surpass them.
__________________
|