Sometimes it's not just the parts themselves but the quality of the parts as well... don't forget the billet wire looms, air cleaner, k&n filter, flywheel, block plate, fuel pump, fuel lines and fittings, additional hardware to complete, etc.
The head to heads sometimes get a bit muddy...
That said the engine is a great value, exactly why we are embracing it:
Backdraft / Ford Racing 427 Promotion