* OE-style spark plugs designed for long life and excellent performance
* Iridium electrodes provide superior durability and ignition efficiency
* Engineered to meet or exceed GM specifications
* Made in USA
NGK 5921 Spark Plugs (4-Pack)
* OE-style spark plugs designed for long life and excellent performance
* Iridium IX plugs feature a fine iridium tip for superior durability and ignition efficiency
* Engineered to meet or exceed GM specifications
* Made in Japan
Bosch 9602 Double Platinum Spark Plugs (4-Pack)
* OE-style spark plugs designed for long life and excellent performance
* Double platinum electrodes provide superior durability and ignition efficiency
* Engineered to meet or exceed GM specifications
* Made in Germany
Autolite XP5353 Platinum Spark Plugs (4-Pack)
* OE-style spark plugs designed for long life and excellent performance
* Platinum tip provides superior durability and ignition efficiency
* Engineered to meet or exceed GM specifications
* Made in USA
Denso Iridium TT Spark Plugs (4-Pack)
* OE-style spark plugs designed for long life and excellent performance
* Iridium TT plugs feature a fine iridium tip for superior durability and ignition efficiency
* Engineered to meet or exceed GM specifications
* Made in Japan