How long is shipping for NGK?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for NGK?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for NGK?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for NGK?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for NGK?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

NGK

NGK Ruthenium HX LFR6BHX Spark Plug - Box of 4 — Fits Mercedes-Benz AMG, Dodge Hellcat, Subaru, Mitsubishi

Name: NGK Ruthenium HX LFR6BHX Spark Plug - Box of 4 — Fits Mercedes-Benz AMG, Dodge Hellcat, Subaru, Mitsubishi
Brand: NGK
SKU: NGK93420
Price: 49.99 USD
Availability: InStock

Roll over image to zoom in Click on image to zoom

NGK

NGK Ruthenium HX LFR6BHX Spark Plug - Box of 4 — Fits Mercedes-Benz AMG, Dodge Hellcat, Subaru, Mitsubishi

Save 7%

SKU: NGK93420

No reviews

About NGK NGK engineers high-quality automotive parts and accessories trusted ...Read More

Price:

$49.99 $54.00

Quantity:

Add To Cart

Car Wheel Size Chart

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

225 = Tire width in mm
45 = Aspect ratio (height as % of width)
R17 = Rim diameter in inches

Ships FAST in USA

Guaranteed Low Price

GGCRACING Discount

Product Details

Product Description

Part Numbers

Sizing & Fit

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unleash Peak Performance with NGK Ruthenium HX Spark Plugs

Experience the next generation of ignition technology with NGK Ruthenium HX LFR6BHX spark plugs. Engineered for today's advanced vehicles, these plugs utilize patented Ruthenium technology to deliver unparalleled performance and an extended lifespan. Designed with specialized OEM DFE and PSPE tip designs, they ensure a more complete fuel burn, translating into tangible benefits for your driving experience.

Advanced Technology & Driving Benefits:

Superior Ignitability: Patented Ruthenium alloy provides the most advanced tip technology for consistent, powerful sparks.
Enhanced Fuel Efficiency: A more complete fuel burn leads to improved gas mileage and reduced emissions.
Quicker Throttle Response: Feel an immediate difference with sharper acceleration and smoother power delivery.
Smoother Idle & Cold Starts: Enjoy consistent engine operation in all conditions.
Industry-Leading Durability: Ruthenium center electrode offers exceptional resistance to wear and tear.

These NGK Ruthenium HX LFR6BHX spark plugs are ideal for a wide range of performance vehicles, including 2015-2020 Dodge Challenger SRT Hellcat, 2015-2020 Dodge Charger SRT Hellcat, 2003-2005 Mercedes-Benz AMG models (C55, E55, S55, SL55), and various Subaru and Mitsubishi models from 2004-2005. Elevate your engine's potential with GGCRACING.

Vehicle Fitment

Years	Make	Model	Trim
2015-2020	Dodge	Challenger	SRT Hellcat
2015-2020	Dodge	Charger	SRT Hellcat
2013-2014	Hyundai	Genesis Coupe	2.0T
2013-2014	Hyundai	Genesis Coupe	2.0T Premium
2013-2014	Hyundai	Genesis Coupe	2.0T R-Spec
2008	Land Rover	LR2	SE
2008-2012	Land Rover	LR2	HSE
2011-2012	Land Rover	LR2	HSE Lux
2011-2012	Land Rover	LR2	Base
2003-2005	Mercedes-Benz	C230	Kompressor
2003-2006	Mercedes-Benz	CL55 AMG	Base
2006	Mercedes-Benz	CLS55 AMG	Base
2003-2006	Mercedes-Benz	E55 AMG	Base
2005-2011	Mercedes-Benz	G55 AMG	Base
2003	Mercedes-Benz	S55 AMG	Kompressor
2004-2006	Mercedes-Benz	S55 AMG	Base
2003	Mercedes-Benz	SL55 AMG	Kompressor
2004-2008	Mercedes-Benz	SL55 AMG	Base
2005-2009	Mercedes-Benz	SLR McLaren	Base
2006-2012	Mitsubishi	Eclipse	GS
2007-2011	Mitsubishi	Eclipse	Spyder GS
2008	Mitsubishi	Eclipse	SE
2010-2012	Mitsubishi	Eclipse	GS Sport
2012	Mitsubishi	Eclipse	SE
2012	Mitsubishi	Eclipse	Spyder GS Sport
2012	Mitsubishi	Eclipse	Spyder SE
2004-2008	Mitsubishi	Galant	DE
2004-2012	Mitsubishi	Galant	ES
2005-2007	Mitsubishi	Galant	SE
2009	Mitsubishi	Galant	Sport Edition
2010-2012	Mitsubishi	Galant	SE
2011-2012	Mitsubishi	Galant	FE
2004	Mitsubishi	Lancer	Sportback
2004	Mitsubishi	Lancer	Sportback Ralliart
2004-2006	Mitsubishi	Lancer	Ralliart
2004-2005	Mitsubishi	Outlander	XLS
2004-2006	Mitsubishi	Outlander	LS
2005-2006	Mitsubishi	Outlander	Limited
2006	Mitsubishi	Outlander	SE
2006	Saab	9-2X	Aero
2006-2009	Saab	9-3	Aero
2008	Saab	9-3	Turbo X
2008-2009	Saab	9-3	Aero XWD
2006-2007	Subaru	B9 Tribeca	Base
2006-2007	Subaru	B9 Tribeca	Limited
2004-2006	Subaru	Baja	Turbo
2004-2005	Subaru	Forester	XT
2005	Subaru	Forester	XT Premium
2006-2010	Subaru	Forester	XT Limited
2008	Subaru	Forester	Sports 2.5 XT
2009	Subaru	Forester	XT
2010-2013	Subaru	Forester	XT Premium
2011-2013	Subaru	Forester	XT Touring
2004-2014	Subaru	Impreza	WRX STI
2006-2007	Subaru	Impreza	WRX Limited
2006-2007	Subaru	Impreza	WRX TR
2006-2014	Subaru	Impreza	WRX
2007	Subaru	Impreza	WRX STI Limited
2009-2010	Subaru	Impreza	2.5 GT
2009-2014	Subaru	Impreza	WRX Premium

…and 82 additional fitments. Contact us to confirm yours.

Often bought with

Other popular NGK products customers consider together:

Product Details

Product Description

Part Numbers

Sizing & Fit

About NGK

Watch in action

Unleash Peak Performance with NGK Ruthenium HX Spark Plugs

Advanced Technology & Driving Benefits:

Superior Ignitability: Patented Ruthenium alloy provides the most advanced tip technology for consistent, powerful sparks.
Enhanced Fuel Efficiency: A more complete fuel burn leads to improved gas mileage and reduced emissions.
Quicker Throttle Response: Feel an immediate difference with sharper acceleration and smoother power delivery.
Smoother Idle & Cold Starts: Enjoy consistent engine operation in all conditions.
Industry-Leading Durability: Ruthenium center electrode offers exceptional resistance to wear and tear.

Vehicle Fitment

Years	Make	Model	Trim
2015-2020	Dodge	Challenger	SRT Hellcat
2015-2020	Dodge	Charger	SRT Hellcat
2013-2014	Hyundai	Genesis Coupe	2.0T
2013-2014	Hyundai	Genesis Coupe	2.0T Premium
2013-2014	Hyundai	Genesis Coupe	2.0T R-Spec
2008	Land Rover	LR2	SE
2008-2012	Land Rover	LR2	HSE
2011-2012	Land Rover	LR2	HSE Lux
2011-2012	Land Rover	LR2	Base
2003-2005	Mercedes-Benz	C230	Kompressor
2003-2006	Mercedes-Benz	CL55 AMG	Base
2006	Mercedes-Benz	CLS55 AMG	Base
2003-2006	Mercedes-Benz	E55 AMG	Base
2005-2011	Mercedes-Benz	G55 AMG	Base
2003	Mercedes-Benz	S55 AMG	Kompressor
2004-2006	Mercedes-Benz	S55 AMG	Base
2003	Mercedes-Benz	SL55 AMG	Kompressor
2004-2008	Mercedes-Benz	SL55 AMG	Base
2005-2009	Mercedes-Benz	SLR McLaren	Base
2006-2012	Mitsubishi	Eclipse	GS
2007-2011	Mitsubishi	Eclipse	Spyder GS
2008	Mitsubishi	Eclipse	SE
2010-2012	Mitsubishi	Eclipse	GS Sport
2012	Mitsubishi	Eclipse	SE
2012	Mitsubishi	Eclipse	Spyder GS Sport
2012	Mitsubishi	Eclipse	Spyder SE
2004-2008	Mitsubishi	Galant	DE
2004-2012	Mitsubishi	Galant	ES
2005-2007	Mitsubishi	Galant	SE
2009	Mitsubishi	Galant	Sport Edition
2010-2012	Mitsubishi	Galant	SE
2011-2012	Mitsubishi	Galant	FE
2004	Mitsubishi	Lancer	Sportback
2004	Mitsubishi	Lancer	Sportback Ralliart
2004-2006	Mitsubishi	Lancer	Ralliart
2004-2005	Mitsubishi	Outlander	XLS
2004-2006	Mitsubishi	Outlander	LS
2005-2006	Mitsubishi	Outlander	Limited
2006	Mitsubishi	Outlander	SE
2006	Saab	9-2X	Aero
2006-2009	Saab	9-3	Aero
2008	Saab	9-3	Turbo X
2008-2009	Saab	9-3	Aero XWD
2006-2007	Subaru	B9 Tribeca	Base
2006-2007	Subaru	B9 Tribeca	Limited
2004-2006	Subaru	Baja	Turbo
2004-2005	Subaru	Forester	XT
2005	Subaru	Forester	XT Premium
2006-2010	Subaru	Forester	XT Limited
2008	Subaru	Forester	Sports 2.5 XT
2009	Subaru	Forester	XT
2010-2013	Subaru	Forester	XT Premium
2011-2013	Subaru	Forester	XT Touring
2004-2014	Subaru	Impreza	WRX STI
2006-2007	Subaru	Impreza	WRX Limited
2006-2007	Subaru	Impreza	WRX TR
2006-2014	Subaru	Impreza	WRX
2007	Subaru	Impreza	WRX STI Limited
2009-2010	Subaru	Impreza	2.5 GT
2009-2014	Subaru	Impreza	WRX Premium

…and 82 additional fitments. Contact us to confirm yours.

Often bought with

Other popular NGK products customers consider together:

Product Details

Product Description

About NGK

Watch in action

Unleash Peak Performance with NGK Ruthenium HX Spark Plugs

Advanced Technology & Driving Benefits:

Superior Ignitability: Patented Ruthenium alloy provides the most advanced tip technology for consistent, powerful sparks.
Enhanced Fuel Efficiency: A more complete fuel burn leads to improved gas mileage and reduced emissions.
Quicker Throttle Response: Feel an immediate difference with sharper acceleration and smoother power delivery.
Smoother Idle & Cold Starts: Enjoy consistent engine operation in all conditions.
Industry-Leading Durability: Ruthenium center electrode offers exceptional resistance to wear and tear.

Vehicle Fitment

Years	Make	Model	Trim
2015-2020	Dodge	Challenger	SRT Hellcat
2015-2020	Dodge	Charger	SRT Hellcat
2013-2014	Hyundai	Genesis Coupe	2.0T
2013-2014	Hyundai	Genesis Coupe	2.0T Premium
2013-2014	Hyundai	Genesis Coupe	2.0T R-Spec
2008	Land Rover	LR2	SE
2008-2012	Land Rover	LR2	HSE
2011-2012	Land Rover	LR2	HSE Lux
2011-2012	Land Rover	LR2	Base
2003-2005	Mercedes-Benz	C230	Kompressor
2003-2006	Mercedes-Benz	CL55 AMG	Base
2006	Mercedes-Benz	CLS55 AMG	Base
2003-2006	Mercedes-Benz	E55 AMG	Base
2005-2011	Mercedes-Benz	G55 AMG	Base
2003	Mercedes-Benz	S55 AMG	Kompressor
2004-2006	Mercedes-Benz	S55 AMG	Base
2003	Mercedes-Benz	SL55 AMG	Kompressor
2004-2008	Mercedes-Benz	SL55 AMG	Base
2005-2009	Mercedes-Benz	SLR McLaren	Base
2006-2012	Mitsubishi	Eclipse	GS
2007-2011	Mitsubishi	Eclipse	Spyder GS
2008	Mitsubishi	Eclipse	SE
2010-2012	Mitsubishi	Eclipse	GS Sport
2012	Mitsubishi	Eclipse	SE
2012	Mitsubishi	Eclipse	Spyder GS Sport
2012	Mitsubishi	Eclipse	Spyder SE
2004-2008	Mitsubishi	Galant	DE
2004-2012	Mitsubishi	Galant	ES
2005-2007	Mitsubishi	Galant	SE
2009	Mitsubishi	Galant	Sport Edition
2010-2012	Mitsubishi	Galant	SE
2011-2012	Mitsubishi	Galant	FE
2004	Mitsubishi	Lancer	Sportback
2004	Mitsubishi	Lancer	Sportback Ralliart
2004-2006	Mitsubishi	Lancer	Ralliart
2004-2005	Mitsubishi	Outlander	XLS
2004-2006	Mitsubishi	Outlander	LS
2005-2006	Mitsubishi	Outlander	Limited
2006	Mitsubishi	Outlander	SE
2006	Saab	9-2X	Aero
2006-2009	Saab	9-3	Aero
2008	Saab	9-3	Turbo X
2008-2009	Saab	9-3	Aero XWD
2006-2007	Subaru	B9 Tribeca	Base
2006-2007	Subaru	B9 Tribeca	Limited
2004-2006	Subaru	Baja	Turbo
2004-2005	Subaru	Forester	XT
2005	Subaru	Forester	XT Premium
2006-2010	Subaru	Forester	XT Limited
2008	Subaru	Forester	Sports 2.5 XT
2009	Subaru	Forester	XT
2010-2013	Subaru	Forester	XT Premium
2011-2013	Subaru	Forester	XT Touring
2004-2014	Subaru	Impreza	WRX STI
2006-2007	Subaru	Impreza	WRX Limited
2006-2007	Subaru	Impreza	WRX TR
2006-2014	Subaru	Impreza	WRX
2007	Subaru	Impreza	WRX STI Limited
2009-2010	Subaru	Impreza	2.5 GT
2009-2014	Subaru	Impreza	WRX Premium

…and 82 additional fitments. Contact us to confirm yours.

Often bought with

Other popular NGK products customers consider together:

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

NGK Ruthenium HX LFR6BHX Spark Plug - Box of 4 — Fits Mercedes-Benz AMG, Dodge Hellcat, Subaru, Mitsubishi

NGK Ruthenium HX LFR6BHX Spark Plug - Box of 4 — Fits Mercedes-Benz AMG, Dodge Hellcat, Subaru, Mitsubishi

Car Wheel Size Chart

How to Read Tire Size

Product Details

About NGK

Watch in action

Unleash Peak Performance with NGK Ruthenium HX Spark Plugs

Advanced Technology & Driving Benefits:

Vehicle Fitment

Often bought with

Product Details

About NGK

Watch in action

Unleash Peak Performance with NGK Ruthenium HX Spark Plugs

Advanced Technology & Driving Benefits:

Vehicle Fitment

Often bought with

You May Also Like

DEI Heater Hotter 16oz Coolant Additive — Faster Cabin Warm-Up

Airaid Air Filter Renew Kit - 12oz Cleaner / 8oz Oil

Energy Suspension 3 Pack Formula 5 Prelube — Universal Application

AEM Air Filter Cleaner 32oz Recharge Kit — AEM Induction

KC HiLiTES FLEX ERA 3 Amber Light Shield — Enhanced Protection & Visibility

Griots Garage Target Tire Dressing Kit — Precision Application System

DEI Plug Wire Sheath 3/4in x 6in - 4-Pack Aluminized Protection

Access Accessories EZ-Retriever II Cargo Reaching Tool

DV8 Offroad Stainless Steel Replacement Antenna — Fits 1997-2006 Jeep TJ

Ford Racing High Performance Oil Filter — Fits 1979-1995 Ford Mustang

BD Diesel APPS Noise Isolator — Fits 1994-2005 Dodge Ram Cummins

ProTaper SE KX High Handlebar - Platinum Gray

ORACLE Lighting Jeep Comanche MJ LED Tail Lights - Standard Red Lens — Fits 1986-1992 Jeep Comanche

ORACLE Lighting LED Off-Road Side Mirror Ditch Lights — Fits 2017-2022 Ford F-250 F-350 Super Duty

NGK Racing Spark Plug R2558E-9 (Box of 4) — Fits 2013-2020 Scion FR-S, Subaru BRZ, Toyota 86

National Cycle 60-84 Harley Davidson FLH Lower Windshield - Blue

Mishimoto Black Silicone Radiator Hose Kit — 2012-2013 Jeep Grand Cherokee SRT8 6.4L V8

LIQUI MOLY 100mL Motorbike Visor Cleaner — Anti-Fog Treatment

Kuryakyn Metric Chrome Front Caliper Cover — Fits Kawasaki, Suzuki, Yamaha Motorcycles

KC HiLiTES FLEX ERA 4 Hard Light Shield Cover Amber (ea) — Fits FLEX ERA 4

KC HiLiTES 6in Round Hard Cover - Yellow w/Black Smile — Fits Daylighter, SlimLite, Pro-Sport Lights (Single)

KC HiLiTES 6in. Round Soft Vinyl Light Cover (Pair) - Black w/White KC Logo

K&N Cabin Air Filter VF2027 — Fits 2011-2021 Chrysler, Dodge

K&N Select Spin-On Oil Filter — Fits 2019-2023 Lexus ES250, ES300h

K&N NHP-7037 Cartridge Oil Filter 1.938in OD x 5.5in H — Fits Ford/Lincoln 2015-2020

K&N Blackhawk Performance Air Intake Kit — Fits 2007-2008 Chevy Silverado/GMC Yukon 4.8L/5.3L V8

K&N 69-5318TS Typhoon Air Intake — Fits 2018-2023 Kia Stinger 3.3L & Genesis G70 3.3L Turbo

K&N 57 Series FIPK Cold Air Intake Kit — Fits 2017-2022 Chevrolet Colorado & 2017-2020 GMC Canyon V6-3.6L

JBA 11-20 Dodge Durango 5.7L Dual Rear Exit Axle Back Exhaust 409SS — Fits 2011-2021 Dodge Durango

Injen SP Polished Cold Air Intake — Fits 2005-07 Subaru Impreza RS 2.5L

Gates PowerGrip SB Clamp 1/2 to 11/16 OD — Heat Shrink Hose Clamp

FAST LSXRt 102mm Intake Manifold — Fits 1999-2013 GM Truck Engines

Fabtech Shock Absorber Bellow Boot — Black Universal Protection

Energy Suspension Ultra Low Profile Bump Stop Black — Universal Fitment

Energy Suspension Hyper-Flex Red Rear Shock Bushing Set — Fits 88-98 GM C1500

Energy Suspension 18mm Rear Sway Bar Bushing Set Red — Fits 2005-2007 Scion tC

Energy Suspension Front Strut Rod Bushing Set — Fits 1962-1967 Chevrolet Chevy II Nova

Kooks O2 Sensor Extension Harness — Fits 2019-2020 Ram 1500 (All Trims)

DEI Radiator Relief 16oz Coolant Additive — Universal Cooling System Treatment

DEI Heat Sheath 3/4in x 3ft Aluminized Thermal Sleeving — Universal Engine Protection

All Balls Racing Sprocket Retainer Kit — Fits Yamaha YFZ450 2004-2009

Airaid MXP Cold Air Intake System w/ Tube (Dry / Red Media) — Fits 10-17 Ford Taurus/Flex, Lincoln MKS/MKT

PRP Seats 4.2 Harness - Pink — Seat Belts & Harnesses

Konig Hypergram 18x8.5 5x112 ET43 Matte Black Wheel — Performance Cast

AEM DryFlow Air Filter — Fits 2018-2024 Subaru Crosstrek, 2019-2025 Forester, 2017-2024 Impreza

Wilwood Electronic Parking Brake Caliper Controller - 12V Various AMP - Plastic

Weld S71 20x9 Black Forged Wheel (5x115mm) — Fits Select Chrysler/Dodge

Vibrant 3in OD 120 Degree Tight Radius Aluminum Bend

Toyo Proxes TQ Tire - P345/40R17 108W

Ticon Industries Titanium Welding Sample Pack

You May Also Like

DEI Heater Hotter 16oz Coolant Additive — Faster Cabin Warm-Up

Airaid Air Filter Renew Kit - 12oz Cleaner / 8oz Oil

Energy Suspension 3 Pack Formula 5 Prelube — Universal Application

AEM Air Filter Cleaner 32oz Recharge Kit — AEM Induction

KC HiLiTES FLEX ERA 3 Amber Light Shield — Enhanced Protection & Visibility

Griots Garage Target Tire Dressing Kit — Precision Application System

DEI Plug Wire Sheath 3/4in x 6in - 4-Pack Aluminized Protection

Access Accessories EZ-Retriever II Cargo Reaching Tool

DV8 Offroad Stainless Steel Replacement Antenna — Fits 1997-2006 Jeep TJ

Ford Racing High Performance Oil Filter — Fits 1979-1995 Ford Mustang

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5