RAII heads typically fetch $3000-4500 depending on condition, hardware and completeness. The RAII Firebird exhaust manifolds $1500-2500.
For half that, you could get a set of ported 72 CC E Heads and some nice Headman or Thorley's, new cam, lifters and rockers...and IMO have better performance.
Si Vis Pacem Parabellum
1967 Starlight black PMD Engineering 400 Auto 1968 Alpine Blue 400 4 speed 1968 Verdoro Green 400 HO 4 speed 2013 1LE 2SS/RS Inferno Orange Camaro.
