Autolite Iridium Spark Plugs One Step Colder

With an iridium-enhanced .6 mm finewire design and platinum sidewire technology, these spark plugs offer better overall durability and a more focused ignition for enhanced ignitability and performance.Product Features: Iridium-enhanced center electrode for improved durability and wear resistance .6 mm finewire design improves ignitability V-trimmed platinum sidewire technology resists wear OE form, fit and function Designed for better overall durability with virtually no gap erosion