E3.31 Spark Plug
DESCRIPTION
SPECIFICATIONS
REVIEWS
E3.31 is a 14mm, 0.750” reach plug with a gasket seat. It is used in a variety of powersport applications, especially in snowmobile and Personal watercraft. The patented DiamondFIRE ground electrode is secured to the shell with two legs to help facilitate heat transfer, and to withstand the intense vibration of powersport engine applications. The unique DiamondFIRE side wire 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.
Replaces:
CHAMPION: RN2C, RN3C, RN57YC
NGK: BR7ES, BR8ES, BR9ES, BPR7ES, BPR8ES, BPR9ES
Part Number: E3.31
Resistor: Resistor
Hex Size: 13/16"
Thread Reach: 0.750"
Thread Diameter: 14mm
Seat: Gasket
Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
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