Proper non-resistor type iridium plug for 66cc China motors?

Apparently I've confused myself in my searching here because I thought the number I copied was that of the iridium plug. It looks like I still don't have any idea which plug is the right one.
 
Apparently I've confused myself in my searching here because I thought the number I copied was that of the iridium plug. It looks like I still don't have any idea which plug is the right one.

I'd stay with a NGK....
NGK BP5HS = Denso W16FP-U or Denso Iridium IWF 16 = Bosch W8B or W8BC or W8BP = Champion L92Y
NGK BP6HS = Denso W20FP-U or Denso Iridium IWF 20 = Bosch W7B or W7BC or W7BP = Champion L87Y
NGK BP7HS = Denso W22FP-U or Denso Iridium IWF 22 = Bosch W5B or W5BC or W5BP = Champion L64Y
NGK BP8HS = Denso W24FP-U or Denso Iridium IWF 24 = Bosch = None......................= Champion L61Y
 
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