Professional Iridium Spark Plugs

Step up to the latest spark plug technology with ACDelco's Professional Iridium Spark Plugs. Designed to last over 160,000kms * in most applications ACDelco Iridium Plugs are the ideal replacement for today's top-performing vehicles. 

* To the original retail purchaser. Parts only; installation not included. See your local ACDelco Distributor or independent service centre that offers ACDelco Parts for details.

Features & Benefits
  • 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.
  • Latest evolution in high-performance plug electrode material.
  • Improved cold-starting and acceleration characteristics.
  • Reduced ignition system voltage demands saves wear and tear.
  • New-vehicle applications using iridium plugs continues to increase.

Product Facts
Uses a high-voltage spark from the ignition coil to ignite the air/fuel mixture inside the engine's cylinders. 

Poor starting characteristics, decreased fuel economy, sluggish engine performance, excessive foiling or deposits on plug. 

The Starting and Charging System starts the engine, maintains the battery's charge and provides power to the electrical accessories while the engine is running.