Advanced spark plug technology for enhanced engine performance and durability.
The NGK Ruthenium HX Spark Plug is engineered for modern engines that require high ignitability and performance. Featuring a Double Fine Electrode design, this spark plug concentrates spark energy to ignite a broader range of air-fuel mixtures, ensuring optimal performance in both rich and lean conditions. The 0.4mm Ruthenium alloy center electrode and 0.8mm platinum ground electrode enhance ignition reliability and efficiency.
Constructed with trivalent metal plating, the NGK Ruthenium HX eliminates the need for anti-seize compounds, providing superior anti-corrosion and anti-seizing properties. The corrugated ribs on the insulator prevent flashover, while the pure alumina silicate ceramic insulator offers exceptional strength and heat transfer capabilities. Additionally, the copper core facilitates effective heat removal, contributing to the longevity of the spark plug.
This spark plug is designed for easy installation and delivers unparalleled durability, resulting in quicker throttle response, smoother idle, and improved cold starts. The NGK Ruthenium HX Spark Plug is a reliable choice for those seeking enhanced engine performance and life expectancy.
Features
- Plugs Provide Unparalleled Durability And A More Complete Fuel Burn Resulting In Quicker Throttle Response, Smoother Idle And Better Cold Starts
- Trivalent Metal Plating Eliminates Need For Anti-Seize
- Ruthenium Technology Offers The Highest Performance And Life Expectancy
- Easy To Install
Specifications
- Manufacturer: NGK Spark Plugs
- Manufacturer Part Number: 91784
- Resistor: Yes
- Electrode Type: U-Groove
- Electrode Core Material: Copper
- Electrode Tip Material: Ruthenium
- Insulator Type: Projected
- Thread Size (IN): 0.472 Inch
- Quantity: Single
- Reach: 1.043 Inch
- Seat Type: Gasket
- Wrench Diameter: 0.55 Inch Hex
Compatibility / Fit
- 2013-2013 Infiniti EX37
- 2013-2013 Infiniti FX37
- 2008-2013 Infiniti G37
- 2011-2013 Infiniti M37
- 2015-2015 Infiniti Q40
- 2014-2015 Infiniti Q50
- 2014-2015 Infiniti Q60
- 2014-2019 Infiniti Q70
- 2015-2019 Infiniti Q70L
- 2014-2017 Infiniti QX50
- 2014-2017 Infiniti QX70
- 2009-2020 Nissan 370Z
- 2009-2021 Nissan GT-R
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
Skip to content

