NGK Laser Iridium Spark Plug Set (ILKAR8H6) Subaru WRX 2015-2021 Set of 4 Plugs (96024)

If you have a 2015+ Subaru WRX, these have your name on them.  How often should I replace my spark plugs? A good rule of thumb is every other oil change, or every three oil changes.  Do I need to gap these? You should ALWAYS check the gap on the plugs before installing. Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Fine wire Iridium center electrode Platinum pad at ground electrode for even wear in DIS ignition systems Engineered for specific vehicle applications Iridium tip is six (6) times harder than platinum