NGK Ruthenium HX Spark Plug Box of 4 (LKAR7AHX-S)

NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.

Additional Information

NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for today's modern vehicles. NGK's patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy.

Application Summary

ACURA 2018-16, HONDA 2018-13, INFINITI 2017-07, LEXUS 2015-11, MAZDA 2017-11, NISSAN 2018-07, PONTIAC 2010-09, SUBARU 2017-11, TOYOTA 2015-09

Part Type

High Ignitability Spark Plug

Product Overview

NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• 0.4mm Ruthenium alloy fine wire center electrode and 0.8mm platinum fine wire ground electrode
• Copper core aids in heat removal
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
• RECOMMENDED USAGE: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties

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Product Details

Reference Information