Basically they are for different climate/riding conditions.
ngk: cr6hsa
One I know of is NGK CR6HSA
Manual calls for a NGK CR6HSA.
Brand NGK Type: CR5HSA just got some for mine
what is the difference between dual and single pin spark plugs
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Static is the name of an electricity, a spark is like the outcome of friction. Like, you can use static electricity to make a spark.
The RC14YC in a hotter plug.
The Packaging. Autolite MAKES Motorcraft
The pmp plug has platinum electrodes.
It's exactly the same phenomenon; lightning is just a very large spark.
Cj8 is hotter than cj7