Where To Buy Genuine Motocraft Tfi Modules?

So I read several threads that had the "car ran for 5 minutes then died" problem that sounds exactly like my problem. And the solution each time was to buy a new motorcraft TFI module, because all the aftermarket ones are junk.

Well I checked 4 different online stores that specialize in Mustangs, and none carry Genuine Motorcraft TFI. Amazon carries one that claims to be motorcraft, but clearly is not.

Are they impossible to find now?

I found one at the local Ford dealer too. $89, but then adding on shipping/handling/tax it came out to the same price... Hopefully this will take care of my latest problem.