I just confirmed the the AGSF32PPM plugs (432PPM) are a sell through item at Autozone.
Once they are gone at a store level they will not be restocked.

I have a brand new set waiting to go in.


That leaves Autolite as the most readily available DP plug. (APP764)

2000 SVT #674 13.47 @ 102 - All Motor! It was not broke; Yet I fixed it anyway.