Hey guys, living over here in New Zealand is hard for sourcing parts.

Are these plugs made by Motorcraft and is there full name 071's ?.

Obviously having the finis code is a huge help but some of the parts guys at ford over here aren't too smart so it's always good to have there full name and exactly who manufactures them

ps. I use Motorcraft AGPR 12PP8's in my Stage 2 (soon to be 3) Sapphire running 18psi of boost, is this a good plug to use or am I likely to melt a piston or something?

Cheers guys