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 Sixity offers high quality, innovative replacement ATV Parts, Motorcycle Parts, Snowmobile Parts, and Marine Parts, all at excellent prices, for brands such as Polaris, Harley, Yamaha, and more. All of our products are in stock and ready to ship. Visit for our auto parts.

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NGK Spark Plugs

If you know about precision and performance, then you know about NGK spark plugs. NGK/NTK technical ceramics is the leading manufacturer of marine, automotive, ATV and motorcycle spark plugs - NGK plugs are OEM equipment in more vehicle models than any other brand.

NGK Spark 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

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