GN buick v6 heads

[Joe Tiano]

these heads are ready to bolt on..8445 castings,manley 1.77 & 1.60 stainless valves..bronze guides...teflon PC seals..awsome bowl work!w/5 angle valve job!..002 clean up pass on surface...ports are "as "cast with no porting.head work was done @ performance engine& dyno service in huntersville ,NC by ed wedge.I guarentee these heads to be in perfect condition.
450.00$ firm..buyer pays shipping thank you joe tiano

 

[Joe Tiano]

the heads have ..comp 979 springs and they are installed@1.7100

 

[Boost231]

bump for a good deal. good luck on the sale

 

[badnat]

heads

pics hey whats is the diffrence in the springs

 

[wormy-28]

heads

I'm interested in these heads pending the outcome of my heads,, currently at machine shop for repairs...LOL
They're saying hardened exhaust seats need to be installed because mine sunk,wore out or something.
Does anyone know what this means, and do I want to use them with pressed in seats?

 

[V8killR4U]

any flow numbers ?