I did some search on here and everyone recommended NGK Iridium spark plug. Some use the original platinum. I went to the auto store the other day and they have NGK Laser Platinum spark plug, it's the most expensive NGK spark plug.

Anyone use these before? How is the performance comparing to Iridium?

 

use the regular Iridium IX
The metal refers to what the tip is made of. Laser process is how they weld the tip on.
For our cars- its a waste as we have fine wire single electrode

 

i got em, cant tell the difference without bias because my previous ones were GARBAGE