Ported early-style heads, budget ported, shortened valve guides, new stainless valves (OEM valve sizes and lengths), new valve springs (good for 0.600" lift), new hardened valve locks, steel retainers, new stem seals, valve job, resurfaced, etc.  The castings and porting can support over 500+ hp in the right combo.  Never run, fully machined, assembled, and ready to bolt on.   $700 + ship (<----This set only).  Call if interested: 310-435-1900