* Denso Iridium Power Spark Plugs: These plugs are also made with an iridium center electrode, but they have a unique "U-groove" design that helps to improve spark propagation. They are also very durable and can last up to 100,000 miles.
* Autolite Iridium XP Spark Plugs: These plugs are made with an iridium center electrode and a platinum ground electrode. They offer excellent performance and durability, and they can last up to 60,000 miles.
* Bosch Double Platinum Spark Plugs: These plugs are made with two platinum electrodes, which helps to extend their lifespan. They offer good performance and durability, and they can last up to 60,000 miles.
* ACDelco RapidFire Spark Plugs: These plugs are made with a copper core and a nickel-plated electrode. They offer good performance and durability, and they can last up to 50,000 miles.
