Spark Plugs

NGK & Denso Spark Plugs


NGK/NTK technical ceramics is the leading manufacturer of ATV, Motorcycle, Snowmobile and Marine spark plugs - NGK plugs are OEM equipment in more vehicle models than any other brand. We carry several lines of NGK and Denso spark plugs, including the popular NGK Standard, V-Power and NGK Iridium IX spark plugs. Whether you need a 30,000 mile spark plug or a high-performance 100,000 mile spark we have you covered. Select your vehicle to get started. We carry for several dozen powersports brands including Arctic Cat, Can-Am, Harley-Davidson, Honda, Polaris, Kawasaki, Yamaha and many more. All spark plugs ship for free on Sixity.com and include a 100% fitment guarantee!





Compatible with aftermarket ECU/ECM engine controllers and AFR monitors (Dynojet Power Commander III, WEGO II, AEM, Drivven, PLX, PowerDEX. Original equipment in Aprilla, BMW, Cagiva, Ducati, Honda, Husqvarna, Indian, Kawasaki, KTM, Moto Guzzi, Norton, Suzuki, Triumph, Victory and Yamaha. Equivalent/upgrade replacement for AC Delco, Autolite, Bosch, Champion, Denso and Motocraft plugs.

  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum

Install ATV Spark Plugs / Install Motorcycle Spark Plugs



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