E3 racing plugs are built to have a cold heat range, non-resistor, and is used in a variety of racing applications. Fitted with its patented DiamondFIRE ground electrode, which is secured with two legs to the shell. This allows for excellent heat transfer, and provides additional stability to the side wire in these high compression engines. The unique DiamondFIRE ground electrode is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The E3 ground electrode and full-size center electrode also provides optimal performance over an extended product life.
The Advanced Technology Allows The Flame Front To Grow Unimpeded To Create A More Complete Burn, Increasing Power And Reducing The Amount Of Fuel That Is Vented Through The Exhaust
Patented Edge To Edge Design Concentrates Spark Energy Resulting In Easy Starts In All Conditions
Edge To Edge Electrode Delivers Maximum Performance
Limited 5 Year Or 100,000 Mile Warranty