<ul> <li>Double Iridium electrodes – iridium-alloy firing pin and an iridium-alloy pin laser-welded onto the ground electrode offer higher performance and up to 4 times longer life compared to standard copper spark plugs</li> <li> OE Fine Wire design requires up to 24% less voltage to ignite</li> <li> 360 degree continuous laser welding increases durability for increased life</li> <li> Copper core provides broader heat range to resist pre-ignition and fouling</li> </ul>