FRAM Autolite Iridium Ultra Spark Plug

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 an ultra 0.5 mm finewire iridium centerwire tip design with laser-welded technology for optimal performance, durability*, ignitability** and fuel efficiency. These iridium spark plugs are now available with a lifetime limited warranty. *Compared to 0.8 mm finewire, multi-electrode design and standard spark plugs. **Compared to average of other premium brands.