E3.20 is a 14mm, 0.750 in. reach plug with a gasket seat. It is used in a variety of four cycle, overhead value small engine applications. The patented DiamondFire 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.
Designed to increase horsepower and lower emissions