Description
NGK Ruthenium HX Spark Plug Box of 4 (LFR6AHX-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 2015-13, BMW 2013-06, HONDA 2015-06, LEXUS 2017-06, SUBARU 2017-01, SUZUKI 2013-09, TOYOTA 2017-05
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.
| Additional Application Notes | |
|---|---|
| • Gap 0.044" Dual Plug; 8 Req'd | |
| • Gap 0.044" | |
| • Gap 0.044" 2 Plugs Per Cylinder Req'd | |
| • To 6/2013 Gap 0.044" | |
| • Gap 0.040" | |
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.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 06:18:10
Features
- 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
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Center Electrode Core Material: | Copper |
| Center Electrode Tip Material: | Ruthenium |
| Description: | NGK Ruthenium HX High Ignitability Spark Plug |
| Electrical Terminal Type: | Non-Removable Nut |
| Ground Configuration: | Standard |
| Ground Electrode Core Material: | Nickel |
| Ground Electrode Quantity: | 1 |
| Ground Electrode Tip Design: | Dual Fine Electrode - High Ignitability |
| Hex Size: | 5/8 |
| Insulator Height: | 50.50 |
| Manufacturer Heat Range: | 6 |
| Part Number: | LFR6AHX-S |
| Pre-Gap Size: | .044 |
| Reach: | 26.5 |
| Resistance: | 5000.0 |
| Seat Type: | Flat |
| Stock Number: | 94122 |
| Thread Diameter: | 14.00 |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Ngk, Ngk Spark Plugs |
| StreetFX SKU | ngk94122 |
| SFX Item ID | 4150019 |
| Accounting SKU | ngk-94122 |
| Manufacturer SKU | 94122 |
| Manufacturer UPC | 87295941225 |
| Alternative References | 94122 |
Compatibility
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