ef-you

so i have a b16a2 motor with roughly 50k miles and i took off the head today becuase i though i was gonna part it out and once i got the head off a buddy of mine called me up askin if ill sell the whole motor. the thing is he wants it reasembeld(sp?). my qeustion is, is there anything that i have to replace or do when i put the head back on. example one of my buddies said i have to mill the head??? also when i first bought the motor the guy said all the gaskets were replaced and it was checked by a mechanic and everything was running fine. any help would be greatly appreciated

ARIZONA

I recommend new head gasket, new timing belt, spelling reassembled like this, and making sure that the deck surfaces are clean, free of scoring and coolant flushed before start-up.