E3.12 Spark Plug, 14 mm Thread, 3/4 in Hex

E3.12 is a 14 mm, 3/8 in reach plug with a gasket seat. It is used in a wide variety of small engine applications, especially handheld lawn and garden equipment. The patented Diamond fire side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The unique ground electrode and full-size center electrode also provides optimal performance over an extended product life.