Iridium-enhanced platinum alloy 0.6mm finewire center electrode for improved ignitibility performancePatented V-trimmed platinum sidewire technology resists wearOE equivalent design is engineered for every engine to ensure the right plug for your vehicleDesigned for better overall durability with virtually no gap erosion for longer plug lifeAttached motor seat gasket and terminal nutAutolite Xtreme Performance Iridium Spark Plugs are technologically advanced, with an iridium-enhanced 0.6 mm finewire design and proprietary platinum sidewire technology working to provide better durability and a more focused ignition for better overall ignitability and optimum performance. These premium spark plugs also feature an iridium-enhanced center electrode and nickel-plated shell. Guaranteed for 7 years.
