ACDelco GM Original Equipment 41-109 Iridium Spark Plug
ACDelco Professional Iridium Spark Plugs are the high quality replacement ideal for many vehicles on the road today. They are our latest in spark plug technology and an exact replacement for your vehicleâ€™s original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.