E3 Spark Plugs advanced DiamondFire design actually increases combustion pressure in the engine. Faster flame speed and improvements in the direction of the flame front result in a marked -- and proven -- increase in power output, fuel economy, and reduced emissions in gasoline engines. We have verified this using the most sophisticated testing equipment available today. It's time to change your plugs!
Born to last 500miles and then misfire under load !
volks1234 1 month ago