906 heads and 740+ NA horsepower?

IQ52 said
You cannot imagine.

Who is determining reasonable?

$850? Not a chance here. Try a minimum of 2x that........to around 4x that amount.......if you provide good, clean cores.

Yep. I tell them go buy those aluminum heads then. There arent many 'decent' flowing heads for under 2k anymore.
The power expectations have gone up.