massive reconfiguration time again.

Copper its good but not on the electrode tip. it has to be harder. and any spark plug will fire, at its best, when the cut face edge of the electrode is square. (brand new)when it rounds it take more energy to get the same spark.

With that theory in mind, you will get the "best spark" of the spark plug........longer.
Yes they came out for longer spark plug life aka 100,000 intervolts.
Probably a waste of money but it is what was recommended.
They also recommended a "race spark plug" that is just a standard plug but NON resistor. and it was 2.99. I didn't go with them because it was a non resistor plug.