MSD Iridium Tip Spark Plugs; Set of Four

• Iridium Tip Spark Plugs
• Sold as a 4-Piece Set
• Greater Efficiency of Combustion Process
• Last longer than Performance Plugs
• Improved Drivability and Fuel Economy
• Core Material Made of Iridium
• Top Material Made of Ceramic
• Full Dielectric Strength
• Ground Electrode Made of Yttrium
• Fewer Chance of Pre-Ignition
• Corrects Cold Starts with Iridium Tip
• Straightforward Installation
• Fits 2003-2004 4.6L Ford Mustang and 2007-2012 Mustang GT500 Models

Efficient Ignition. The MSD Iridium Tip Spark Plugs are designed to improve the efficiency of the combustion process, resulting in greater drivability and enhanced fuel economy. These plugs are built to last longer than standard performance plugs, offering a more reliable and consistent ignition over time.

Construction and Appearance. Each spark plug features a core made from iridium, known for its extreme hardness and durability, while the top is crafted from ceramic to ensure full dielectric strength. The ground electrode is made of yttrium, enhancing the spark plug's resistance to wear and pre-ignition issues.

Other Features. These spark plugs are engineered to correct cold starts with their iridium tips, providing fewer chances of pre-ignition and a smoother engine run right from the start.

Installation. The installation of these spark plugs is straightforward, typically not requiring any advanced tools or extensive modifications to the vehicle.

Application. This MSD Iridium Tip Spark Plugs fits 2003-2004 4.6L Ford Mustang and 2007-2012 Mustang GT500 models.