Autolite XP3924 Iridium XP Spark Plug, Pack of 1
The Autolite XP Xtreme Performance        spark plug product line consists of some of the most technologically advanced        spark plugs ever. Featuring an iridium-enhanced .6 mm finewire center electrode        design, coupled with proprietary platinum sidewire electrode technology,        these spark plugs provide better durability and a more focused ignition        for better overall ignitability, with the result being increased performance        and horsepower, as well as better fuel economy over the lifetime of the        spark plug..caption { font-family: Verdana, Helvetica neue, Arial, serif; font-size: 10px; font-weight: bold; font-style: italic; }   ul.indent { list-style: inside disc; text-indent: -15px; }  table.callout { font-family: verdana; font-size: 11px; line-height: 1. 3em; }  td.vgoverview { height: 125px; background: #9DC4D8 url(http://images.amazon.com/images/G/01/electronics/detail-page/callout-bg.png) repeat-x; border-left: 1px solid #999999; border-right: 1px solid #999999; padding-left: 20px; padding-right: 20px; padding-bottom: 10px; width: 250px; font-family: verdana; font-size: 12px; }