Spark Plug E3.10F, Small Engine

All E3 Spark Plugs feature DiamondFire Technology - truly the last spark plug you'll ever need to buy! This E3 Spark Plug is warranted to provide better performance, to properly discharge a spark and to be free of defects in materials and workmanship for the life of your engine. Quicker starts, more power, saves gas, anti-foul design, and lower emissions. Energy - Increased power up to 12% over other brands in 2 & 4 stroke engines. Efficiency - Pays for itself by using up to 13% less ags versus other spark plug brands. Ecology - Reduces toxic emissions up to 58% in long-term use, versus other plugs.
Replaces: Champion - J17LM, J19LM, J8C, RJ17LM, RJ19LM, RV8C, 5861. NGK - B4LM, B6S, BR4LM, BR6S.


• Compatible with most Briggs & Stratton and Tecumseh L-head engines

• E3 Spark Plugs feature DiamondFire technology

• A revolutionary new spark plug that provides more energy, greater efficiency, and is more eco-friendly

• Designed to increase horsepower and lower emissions

• Quicker starts, saves on fuel

• 14 mm thread diameter. .375 in. reach. 13/16 in. hex socket.