<ul> <li>Platinum on the center electrode firing pin and laser welded platinum inlay ground electrode provide 3 times longer life than conventional 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> <li> Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize</li> <li> 5 year customer satisfaction guarantee (visit www.boschautoparts.com/sparkplugs for details)</li> <li> 1 year Technician Warranty (visit www.boschautoparts.com/sparkplugs for details)</li> </ul>