if the heads are were it's at, is this the thing to do? i have 68' 16 heads

Performance Cast Iron D-Port Head Package by butler performance



90-100+ c.c.'s (tell us your desired compression ratio)
Completely ported and polished (starting @ 240+ cfm) can go to 270+ cfm?????? $200+ more ???
Competition 3 angle valve job done with our Serdi machine
FULL bronze guides (not liners)
Ferrea Stainless Steel valves
Surfaced on all 3 sides
Retainers & HD valve locks
Tall dual springs ????
New 5/16 guide plates
7/16 rocker arm studs
HP valve seals
Blue printed and assembled per application
Comes with Blueprint and spec sheets.


price is $1400 and change minus the cores, i will use my 16's. so, what do yall think?
smiles per $$$$ worth it?
thanks tim