Check the listing for details. E3 Spark Plugs E3.36 (QTY 1) for Watercraft. Condition: New. Listed at 11.99 USD. 1 New E3 Powersport Spark Plug E3.36 Diamond Fire Watercraft E3.36 is a 12mm, 0.750” reach plug with a gasket seat. It is used in a variety of powersport applications, and is often the correct plug for V-Twin motorcycle engines. Most late model Harley Davidson engines require E3.36. 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: RA6HC, RA8HCNGK: DPR7EA9, DPR8EA9, DR7EA, DR8EIX, DR8ES Part Number: E3.36Resistor: ResistorHex Size: 5/8"Thread Reach: 0.750"Thread Diameter: 12mmSeat: GasketTip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted Listing and template services provided by inkFrog