Yeah he probably has that $1,400 in them
new valves, springs, hard seats, retainers/10* keepers
a lil time in porting, a lil machine work, & milling to get them flat
maybe flow like 260-270cfm from the description he gave
I got similar results doing the 906 heads that way too
unless you want old used cast iron heads
or a stock looking cast iron cylinder head
I don't know the guy, no offence intended either
maybe a great guy
But for $1,400 (get them on sale at 440source or Summit Racing)
I'd buy Edelbrock RPMs, bigger valves & better flow, better ports design, even before porting
they will flow better than what he described
for use of 99% stock architecture, you'll need special head bolts from ARP
but the rest of the parts stock arch. & parts will bolt right on, 40-60+ extra hp
right cam for the combo
& they're 55-60#s lighter, have superior chambers, w/angle pugs 14mmx3/4" reach plugs,
290cfm at 0.600" gvl out of the box
(a lil prof. pocket porting, roof removal, radiused/blending & get well over 330cfm),
Stainless Steel quality 'USA sourced' (all the parts from the USA, included the castings)
11/32" stems, bigger 2.18"int/1.81"exh valves, choices of style of springs etc.
you can get 75cc, 84cc or 88cc combustion chamber to dial in you compression
no heat crossover to make the intake fuel charge hot either
lots of pluses & new quality aluminum, made in USA cylinder-heads
Or the Edelbrock E-street are the same design
but lesser expense in the parts, valves, springs etc.
for a slightly cheaper set, good to like 5,500rpm, for a potent street build
there's better heads out there & cheaper heads out there too
(like Stealths Chinese alum. casted, assembled here, or Bulldogs ProMaxx etc.)
but for the middle of the road price & great performance
IMO best "bang for the buck"
#Edlebrock RPM's are a great value