Autolite Iridium Ultra Spark Plug AI5263

When looking for a spark plug replacement to optimize the performance for the most technologically advanced engines, you need the most technologically advanced spark plug. The Autolite Iridium Ultra Spark Plug utilizes a finewire iridium centerwire tip design with laser-welded technology for optimal performance, durability, ignitability and fuel efficiency. Features & Benefits Futures An Ultra Finewire Iridium Centerwire Tip Design With Laser-Welded Technology Providing A Focused Ignition For Optimal Ignitability And Maximum Performance Optimal Fuel Efficiency, Acceleration And Focused Ignitability Provided By A Finewire Center Electrode Provides Durability For More Than 100,000 Miles Laser-Welded Iridium Finewire Center Electrode Tip With Proprietary Iridium Alloy Limited Lifetime Warranty Attributes Resistor: Yes Electrode Type: Fine Wire Center Electrode Core Material: Copper Electrode Tip Material: Iridium Enhanced Platinum Insulator Type: Mid Projec