E3.10 is a 14mm, 0.375 in. reach plug with a gasket seat. It is used in multiple small engine applications, especially lawn & garden. The ground electrode is designed with E3’s patented DiamondFire technology which is proven to improve power, increase fuel efficiency and dramatically lower 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
• • Uses 13 percent less fuel than other spark plugs
• • For use with all 2-16 HP 4-cycle engines
• • Replaces – Champion: J17LM, J19LM, J8C, RJ17LM, RJ19LM, RJ8C, 5861, NGK: B2LM, B4LM, B6S, BR2LM, BR4LM
• • 13/16 in. hex size
• • Non-resistor