Autolite Iridium Iridium XP Spark Plug

Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

0.6 mm finewire design improves ignitability Patented V-trimmed platinum sidewire technology resists wear OE equivalent design is engineered for every engine Designed for better overall durability with virtually no gap erosion Electrode Tip Material : Xtreme Performance Reach : 3/4 In Resistor : Suppressor Seat Type : Gasket Thread Diameter : 14 mm Tip Configuration : Special Power Wrench Diameter : 5/8 In