Gold (Professional) Iridium Spark Plugs

ACDelco Iridium Spark Plugs represent the latest in spark plug technology. They are the ideal replacement for today’s top-performing vehicles and are supported by a competitive warranty. 

  • The only iridium plugs installed in GM vehicles during assembly and are the recommended replacement plugs to best help maintain engine performance.
  • Iridium is one of the hardest metals used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration.
  • Feature a suppression seal that blocks radio frequencies that could affect vehicle electronics.
  • Latest evolution in high-performance plug electrode material.
  • Improved cold-starting and acceleration characteristics.
  • Reduced ignition system voltage demands saves wear and tear.

Click here to return to the Spark Plug page.