NGK Iridium Racing spark plugs are engineered for high-compression, forced induction, and high-RPM racing engines that operate under extreme cylinder pressures and thermal loads. These plugs utilize a specialized electrode configuration designed to maintain superior ignitability and withstand the vibration and heat of professional motorsports. The center electrode provides a focused spark for efficient combustion, while the heat range 10 rating ensures proper heat dissipation in high-output applications.

• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties to prevent thread damage during removal.
• Pure alumina silicate ceramic insulator provides high dielectric strength and efficient heat transfer.
• Copper core facilitates rapid heat removal to prevent pre-ignition and knocking.
• Triple seals eliminate combustion gas leakage for consistent cylinder pressure.
• Manufacturer Part Number: 97278 (R2558E-10).

Fits select 2008-2020 Honda Accord, Civic, HR-V, and Acura ILX models.

NGK Laser Iridium High Ignitability spark plugs are engineered to provide the ultimate combination of performance, fuel efficiency, and service life. Designed specifically for original equipment applications, these plugs (95710) feature a fine-wire iridium-tipped center electrode paired with a platinum-tipped ground electrode. This dual-precious metal construction ensures stable spark delivery and consistent ignitability, even in the demanding environments of modern distributorless ignition systems.

Built with a high-grade pure alumina ceramic insulator and a 98 percent pure copper core, these plugs provide exceptional heat dissipation and strength to prevent overheating during high-load conditions. The trivalent metal plating offers robust protection against corrosion and seizing, facilitating easier removal while protecting the cylinder head threads.

• Manufacturer Part Number: 95710
• NGK Stock Number: DILZKR7B11GS
• Iridium-Tipped Center Electrode: Offers six times the durability of platinum for long-lasting performance.
• Platinum Ground Electrode: Features a raised platinum pad or fine wire tip for even wear and improved spark performance.
• Triple Seals: Specialized internal sealing prevents combustion gas leakage.
• Pure Alumina Silicate Ceramic: Provides superior strength and optimized heat transfer.
• Trivalent Metal Plating: Superior anti-corrosion and anti-seizing properties.

Fits 2009-2020 Nissan GT-R (Base, Premium, Black Edition, Nismo, Pure, Track Edition, and 50th Anniversary Edition).

NGK Laser Iridium High Ignitability spark plugs are engineered to meet the stringent demands of original equipment applications, providing the ideal balance of performance and extreme longevity. Each plug features a laser-welded iridium-tipped center electrode paired with a platinum disc on the ground electrode. This dual-precious-metal design ensures maximum spark efficiency and durability six times harder than standard platinum plugs, even in high-output turbocharged environments.

The high-grade alumina silicate ceramic insulator provides superior thermal conductivity and dielectric strength to prevent flashover. A 98% pure copper core aids in rapid heat dissipation, preventing overheating and pre-ignition. Each plug is finished with trivalent metal plating for long-term corrosion resistance and includes triple seals to eliminate combustion gas leakage.

• Manufacturer Part Number: 93026
• NGK Designation: DILKAR8A8
• Quantity: Box of 4 spark plugs
• Center Electrode: Iridium tipped fine wire
• Ground Electrode: Platinum pad/tip for even wear
• Core Material: 98% pure copper for heat removal
• Insulator: Alumina silicate ceramic
• Plating: Trivalent metal for anti-corrosion/anti-seizing

Fits select 1984-2017 Acura, Bentley, Cadillac, Chevrolet, Chrysler, Dodge, Ford, Honda, Hyundai, INFINITI, Isuzu, Jaguar, Jeep, Mercedes-Benz, Mercury, and Mitsubishi models.

NGK G-Power Platinum spark plugs (MPN 7090) offer a high-performance alternative to standard nickel alloy plugs. Designed for drivers seeking improved ignition efficiency and durability without the cost of double precious metal plugs, these BKR5EGP plugs feature a fine-wire platinum center electrode. This design requires lower voltage to spark, which translates to faster cold starts, smoother idling, and more responsive acceleration.

Constructed to meet rigorous OE standards, these plugs utilize a trapezoidal cut ground electrode to reduce quenching, ensuring a larger flame kernel for more complete combustion. The trivalent metal plating provides superior anti-corrosion and anti-seizing properties, making them easier to remove during your next service interval.

• Center Electrode: Fine-wire platinum tip for enhanced ignitability
• Ground Electrode: Trapezoid cut to minimize quenching and improve flame travel
• Core Material: Solid copper core for superior heat dissipation and conductivity
• Insulator: Pure alumina silicate ceramic for high-voltage dielectric strength
• Construction: Corrugated ribs to prevent flashover and triple seals to eliminate combustion gas leakage
• Finish: Trivalent metal plating for durable protection against the elements
• Part Number: 7090 / BKR5EGP
• Quantity: Box of 4

Fits select 2004-2020 Honda and Victory models, including Pioneer 700, FourTrax Rincon, Vegas, and Kingpin.

NGK Standard spark plugs are the industry benchmark for OE-quality ignition. Known for the iconic yellow box packaging, these nickel alloy plugs are engineered to restore factory performance and reliability. Every plug features a solid 98% pure copper core to maximize heat dissipation and electrical conductivity, ensuring a wide heat range that prevents fouling and pre-ignition.

Built for durability in demanding powersports applications, these plugs utilize high-grade alumina silicate ceramic for superior dielectric strength. The trivalent metal plating provides a specialized barrier against corrosion and seizing, making future maintenance easier by preventing the plug from bonding to the cylinder head.

• OE Performance: Designed as a direct replacement for factory nickel alloy spark plugs.
• Trivalent Metal Plating: Superior anti-corrosion and anti-seizing properties; no anti-seize required for installation.
• Copper Core: 98% pure copper center electrode aids in rapid heat removal.
• Triple Gasket Seal: Eliminates combustion gas leakage for consistent cylinder pressure.
• Corrugated Ribs: Specialized insulator design prevents flashover and misfires.
• Part Number: CPR6EB-9 / 5958
• Quantity: Pack of 4 spark plugs

Fits 2006 Mitsubishi Lancer Evolution (MR/RS/SE) and 2019-2020 Subaru WRX STI.

NGK Laser Iridium spark plugs (ILFR7H) are engineered to provide the ultimate combination of performance, fuel efficiency, and service life for OE applications. These plugs feature a fine-wire iridium-tipped center electrode that is six times harder than platinum, ensuring a stable spark even under the high-cylinder pressures of turbocharged engines. A platinum pad on the ground electrode facilitates even wear, making these ideal for modern distributorless ignition systems.

Built to withstand extreme thermal stress, the 5245 spark plug utilizes a high-grade pure alumina silicate ceramic insulator for superior strength and heat transfer. The 98% pure copper core aids in rapid heat removal to prevent pre-ignition and fouling, while trivalent metal plating protects against corrosion and seizing in the cylinder head.

• Laser-welded iridium center electrode tip for maximum durability
• Platinum disk welded to the backside of the ground electrode
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Triple seals prevent combustion gas leakage
• High-grade alumina silicate ceramic insulator for better heat dissipation
• Manufacturer Part Number: 5245 (ILFR7H)
• Quantity: Set of 4 spark plugs

NGK Iridium Racing spark plugs (R7438-8) are engineered to withstand the extreme cylinder pressures and high thermal loads found in professional motorsport and high-performance tuning applications. Designed for durability and consistent ignitability, these plugs utilize specialized center electrode configurations to ensure a reliable spark under the most grueling racing conditions. The trivalent metal plating provides superior anti-corrosion and anti-seizing properties, protecting your cylinder head threads during frequent plug changes.

• Iridium Center Electrode: Engineered for high melting points and maximum conductivity to maintain a stable spark.
• Trivalent Metal Plating: Delivers exceptional anti-seizing and anti-corrosion protection for easier installation and removal.
• Pure Alumina Silicate Ceramic: A high-grade insulator that provides superior structural strength and optimal heat transfer.
• Copper Core: Assists in rapid heat dissipation to prevent pre-ignition and electrode overheating.
• Triple Seals: Ensures combustion gases cannot leak past the shell, maintaining engine compression.

This set includes four individual spark plugs. Manufacturer Part Number: 4905.

NGK Racing spark plugs are engineered to withstand the extreme temperatures and high combustion pressures of competitive racing. Designed for maximum durability and consistent ignitability, the R7438-9 series utilizes specialized center electrode configurations to ensure reliable spark delivery under grueling track conditions.

• Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal.
• Pure Alumina Silicate Ceramic Insulator: Provides high dielectric strength and efficient heat transfer to manage extreme thermal loads.
• Insulator Nose Configuration: Specialized designs improve throttle response and prevent fouling in high-performance applications.
• Copper Core: Aids in rapid heat removal to prevent pre-ignition and electrode melting.
• Corrugated Ribs: Prevents flashover to ensure the spark reaches the combustion chamber.
• Triple Seals: Eliminates combustion gas leakage for consistent cylinder compression.
• Manufacturer Part Number: 4656
• Model Number: R7438-9
• Quantity: Box of 4

Fits select 2005-2019 Audi, Volkswagen, and Porsche vehicles (2.0T).

The APR Iridium Pro Spark Plug is a direct-fit upgrade engineered for high-performance and tuned vehicles running higher boost levels. Featuring an iridium center electrode, these plugs offer a significantly higher melting point than copper or platinum, ensuring consistent ignition under extreme heat and load. The projected insulator design and optimized electrode are specifically built to handle hard-to-ignite fuels like ethanol, resulting in a smoother idle and sharper throttle response.

Designed to operate at cooler temperatures than factory plugs, the Iridium Pro series provides superior resistance to pre-ignition. While they function as a standalone performance upgrade, they are an ideal match for APR ignition coils to maximize spark energy across the entire RPM range.

• Heat Range: 9 (Cross-reference: Bosch 3, Brisk 10, Denso 27, NGK 9)
• Center Electrode: Iridium construction for maximum durability and conductivity
• Thread Diameter: 14mm
• Thread Reach: 19mm
• Hex Size: 16mm
• Seat Type: Gasket
• Installation Torque: 25 Nm
• Construction: Made in the EU

Fits select 2007-2016 Mini Cooper, Cooper Countryman, and Cooper Paceman.

NGK Laser Iridium spark plugs provide a high-performance solution for OE applications requiring superior longevity and ignition reliability. These plugs feature a fine-wire iridium-tipped center electrode—a material six times harder than platinum—paired with a platinum-padded ground electrode. This combination ensures a consistent spark and even wear characteristics, which is particularly critical in modern distributorless ignition systems.

Engineered for extreme durability, the ILZKBR7B8G incorporates a 98% pure copper core for efficient heat dissipation and a pure alumina silicate ceramic insulator for high dielectric strength. Trivalent metal plating is applied to the shell to provide superior anti-corrosion and anti-seizing properties, ensuring the plugs remain easy to service throughout their life cycle.

• Manufacturer Part Number: ILZKBR7B8G
• Quantity: Box of 4 Spark Plugs
• Center Electrode: Iridium-tipped for maximum durability
• Ground Electrode: Platinum chip/pad for even wear
• Insulator: Alumina silicate ceramic for better heat transfer
• Construction: 98% pure copper core aids in heat removal
• Sealing: Triple seals prevent combustion gas leakage
• Plating: Trivalent metal for anti-corrosion and anti-seizing

Fits select 2013-2020 Scion FR-S, Subaru BRZ, and Toyota 86.

NGK Racing spark plugs are engineered to withstand the extreme cylinder pressures and high-heat conditions of competitive racing environments. Designed for durability and consistent ignitability, these plugs feature specialized center electrode configurations to ensure reliable combustion where standard plugs might fail. The R2558E-9 series provides superior thermal management and improved throttle response for high-performance builds.

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties for easier installation and removal
• Pure alumina silicate ceramic insulator offers high dielectric strength and optimized heat transfer
• Copper core aids in rapid heat dissipation to prevent pre-ignition
• Triple seals prevent combustion gas leakage for consistent cylinder pressure
• Corrugated ribs eliminate flashover to ensure a clean, reliable spark
• Manufacturer Part Number: R2558E-9
• Quantity: Box of 4

Fits 2018-2020 Honda GL1800 Gold Wing models, including DCT, Tour, and Airbag editions.

NGK Standard Nickel spark plugs are engineered as reliable OE-replacement components, delivering consistent ignition performance for your Gold Wing. Featuring a 98% pure copper core for superior heat dissipation and conductivity, these plugs help maintain optimal operating temperatures under varying loads. The high-grade alumina silicate ceramic insulator ensures maximum dielectric strength, while the trivalent metal plating provides built-in protection against corrosion and seizing, simplifying future maintenance.

• Manufacturer Part Number: CR6HSB-9
• Nickel Alloy Electrode: Delivers dependable service life and OE-spec performance.
• 98% Pure Copper Core: Increases heat dissipation to help prevent pre-ignition and electrode fouling.
• Trivalent Metal Plating: Offers superior anti-corrosion and anti-seizing properties for easier installation and removal.
• Alumina Silicate Ceramic: High-grade insulator with corrugated ribs to prevent flashover.
• Triple Gasket Seal: Ensures no combustion gas leakage past the shell.
• Quantity: Box of 4 spark plugs.

Fits select 2010-2020 BMW models, including 335i, 535i, M3, M4, X5, and X6 (SILZKBR8D8S).

NGK Laser Iridium High Ignitability spark plugs provide the ultimate combination of performance and longevity. Designed specifically for OE applications, these plugs feature an iridium-tipped center electrode paired with a platinum pad or fine wire tip on the ground electrode. This dual-precious metal construction provides a service life and durability profile significantly higher than standard platinum plugs, ensuring consistent ignition and even wear in high-stress distributorless ignition systems.

Each plug is built with a 98% pure copper core to aid in heat removal and prevent overheating, while the high-grade alumina silicate ceramic insulator provides superior strength and thermal conductivity. To ensure a long-lasting installation, the shells are treated with trivalent metal plating for maximum anti-corrosion and anti-seizing properties.

• Iridium-tipped center electrode for exceptional durability and high ignitability
• Raised platinum pad on the ground electrode for extended service life
• 98% pure copper core for superior heat dissipation
• Triple seals prevent combustion gas leakage
• Trivalent metal plating eliminates the need for anti-seize during installation
• Pure alumina silicate ceramic insulator for improved dielectric strength
• Manufacturer Part Number: SILZKBR8D8S

Fits select 2011-2020 Chrysler 300, Dodge Challenger, Dodge Charger, Dodge Durango, and Jeep Grand Cherokee (6.4L Hemi / SRT8 / Scat Pack).

NGK Laser Platinum spark plugs are engineered to meet original equipment standards for high ignitability and extended service life. These plugs feature a laser-welded platinum pad on the ground electrode to ensure even wear and consistent performance in modern distributorless ignition systems. Designed specifically for SRT and Scat Pack Hemi applications, they provide stable idling, superior anti-fouling characteristics, and improved thermal management.

The construction includes a 98% pure copper core for maximum heat dissipation and a high-grade alumina silicate ceramic insulator for superior dielectric strength. To ensure long-term reliability in harsh engine bay environments, the shell is treated with trivalent metal plating for anti-corrosion and anti-seizing properties.

• Manufacturer Part Number: LZTR6AP11EG
• Quantity: Set of 4 Plugs
• Electrode Material: Platinum-tipped center and platinum-padded ground electrode
• Core Material: 98% Pure copper for optimized heat removal
• Insulator: Pure alumina silicate ceramic with corrugated ribs to prevent flashover
• Sealing: Triple gasket seals to prevent combustion gas leakage
• Finish: Trivalent metal plating for superior anti-seize performance

NGK Laser Iridium spark plugs are engineered to provide the ultimate combination of performance and longevity for modern OE applications. Featuring an iridium-tipped center electrode that is six times harder than platinum, these plugs maintain a stable spark and resist wear even under extreme conditions. The high-grade pure alumina ceramic insulator and 98% pure copper core work together to dissipate heat rapidly, preventing overheating and ensuring reliable starts.

• Center Electrode: Fine wire iridium-tipped for high durability and consistent ignition.
• Ground Electrode: Features a platinum pad to ensure even wear, specifically designed for distributorless ignition systems.
• Thermal Management: 98% pure copper core aids in heat removal to prevent pre-ignition.
• Insulator: Pure alumina silicate ceramic provides superior strength and enhanced heat transfer.
• Anti-Corrosion: Trivalent metal plating prevents seizing and protects against moisture and combustion gases.
• Leak Protection: Triple-seal construction prevents gas leakage for consistent cylinder pressure.
• Manufacturer Part Number: ILKR9Q7G
• Quantity: Set of 4 plugs.

Fits select 2010-2020 Chrysler, Dodge, Hyundai, and Jeep vehicles. This set of NGK Laser Iridium High Ignitability spark plugs (SILZKR7B11) provides a precise combination of ignition performance and long-term durability. Engineered specifically to meet or exceed original equipment standards, these plugs are optimized for modern distributorless ignition systems (DIS).

Each plug utilizes an iridium-tipped center electrode, a material six times harder than platinum, to provide extreme resistance to electrical erosion. To ensure even wear and stable performance over the life of the plug, NGK incorporates a raised platinum pad or fine wire tip on the ground electrode. The 98% pure copper core and high-grade alumina silicate ceramic insulator work together to maximize heat dissipation and prevent flashover during high-load conditions.

• Manufacturer Part Number: SILZKR7B11
• Center Electrode: Laser Iridium tipped fine wire
• Ground Electrode: Platinum pad for enhanced durability
• Core Material: 98% pure copper for superior heat removal
• Insulator: Pure alumina silicate ceramic for strength and thermal conductivity
• Plating: Trivalent metal plating for anti-corrosion and anti-seizing properties
• Seal Design: Triple-gasket seals to prevent combustion gas leakage
• Quantity: Set of 4 spark plugs

NGK Iridium IX spark plugs are engineered for the performance enthusiast, providing superior ignitability and high-temperature durability. The DCPR8EIX (SOLID) features a fine wire iridium center electrode that is six times harder than platinum, offering a high melting point suited for modern high-performance or modified engines. This design focuses the spark for faster acceleration and better throttle response.

Equipped with a tapered cut ground electrode, these plugs minimize quenching to improve starting and idling stability. The trivalent metal plating provides a specialized barrier against corrosion and seizing, ensuring the plugs remain easier to remove even after high-mileage service intervals. They serve as an ideal performance upgrade for vehicles originally equipped with standard nickel alloy plugs.

• Part Number: DCPR8EIX (SOLID)
• Center Electrode: Fine wire iridium tip
• Ground Electrode: Tapered cut for improved ignitability
• Plating: Trivalent metal for anti-corrosion and anti-seizing properties
• Quantity: Box of 4 spark plugs
• Applications: High-performance, modified, or OE upgrade

NGK Racing spark plugs are engineered for high-compression, high-RPM environments where standard plugs fail. The R7448A-9 is designed to withstand the extreme thermal loads and cylinder pressures of professional racing. Featuring specialized electrode configurations, these plugs ensure consistent ignitability and durability under the most grueling conditions.

• Part Number: R7448A-9
• Heat Range: 9
• Trivalent Metal Plating: Provides superior anti-corrosion and anti-seizing properties for reliable installation and removal.
• Alumina Silicate Ceramic: Pure ceramic insulator offers high dielectric strength and efficient heat transfer.
• Copper Core: Internal copper core aids in rapid heat dissipation to prevent pre-ignition.
• Triple Seals: Specialized sealing prevents combustion gas leakage.
• Corrugated Ribs: Ribbed insulator design eliminates electrical flashover.
• Quantity: Set of 4 spark plugs.

Fits select 2013-2020 Acura ILX, TLX and Honda Accord, Civic, and CR-V models.

NGK Laser Iridium High Ignitability spark plugs are engineered as the ultimate OE-replacement solution for modern distributorless ignition systems. By combining a laser-welded iridium-tipped center electrode with a platinum pad on the ground electrode, NGK delivers superior wear resistance and consistent ignitability over a service life far exceeding standard nickel or platinum plugs.

• Manufacturer Part Number: DILKAR7H11GS
• Dual Precious Metal: Iridium center electrode and platinum ground electrode for maximum durability and even wear
• Core Construction: 98% pure copper core provides superior heat dissipation to prevent overheating and pre-ignition
• Insulator: High-grade alumina silicate ceramic for improved strength and heat transfer
• Anti-Corrosion Finish: Trivalent metal plating offers excellent anti-corrosion and anti-seizing properties
• Seal Integrity: Triple seals prevent combustion gas leakage

This set of 4 plugs ensures your engine maintains peak fuel efficiency and throttle response while meeting strict original equipment standards for durability and high-voltage performance.

Fits select 2015-2019 KTM 690, 1090, and 1290 models.

NGK Laser Iridium spark plugs represent the pinnacle of OE-replacement technology, engineered to provide consistent ignition and maximum service life. These LMAR7DI-10 plugs utilize a laser-welded, fine-wire iridium-tipped center electrode. This material is six times harder than platinum, allowing for a thinner electrode profile that requires less voltage to fire while resisting electrical erosion over thousands of miles.

• High-Performance Ignition: Fine-wire iridium tip ensures a stable spark and improved throttle response.
• Advanced Heat Management: A 98 percent pure copper core aids in heat removal to prevent overheating and pre-ignition.
• Pure Alumina Ceramic: Alumina silicate ceramic insulator provides superior dielectric strength and thermal conductivity.
• Corrosion Protection: Trivalent metal plating offers excellent anti-corrosion and anti-seizing properties.
• Leak-Proof Design: Triple seals prevent combustion gas leakage past the shell for consistent compression.

This set includes four NGK Laser Iridium spark plugs (Part Number: LMAR7DI-10), ideal for vehicles originally equipped with fine-wire iridium alloy plugs.

Fits 2019 KTM 250 XC-W TPI and 300 XC-W TPI (Base and Six Days).

NGK Laser Iridium spark plugs are engineered to provide maximum performance and service life for specific OE applications. These plugs utilize an iridium-tipped center electrode, a material six times harder than platinum, to ensure a stable spark and consistent ignition even under high-load conditions. The combination of a high-grade pure alumina ceramic insulator and a 98% pure copper core effectively manages heat to prevent pre-ignition and fouling.

• Iridium-tipped center electrode provides extreme durability and a fine-wire design for improved ignitability.
• 98% pure copper core assists in rapid heat removal to prevent overheating.
• Pure alumina silicate ceramic insulator offers superior dielectric strength and heat transfer.
• Trivalent metal plating ensures excellent anti-corrosion and anti-seizing properties during installation and removal.
• Triple seals prevent combustion gas leakage for consistent cylinder pressure.
• Manufacturer Part Number: ZGR7GI-13G

NGK Laser Platinum spark plugs are engineered as direct OE replacements to provide high ignitability and an extended service life compared to standard nickel alternatives. Designed specifically for vehicles originally equipped with platinum alloy multi-ground electrode plugs, the LKAR8AP7JDS ensures stable idling, superior anti-fouling, and improved fuel efficiency while maintaining lower emissions.

Constructed with a 98% pure copper core and high-grade pure alumina silicate ceramic, these plugs offer exceptional heat dissipation and insulator strength. This combination prevents the spark plug from overheating and ensures reliable starts in demanding conditions. For distributorless ignition systems, these Laser Platinum plugs feature a platinum pad on the ground electrode to ensure even wear and maintain a consistent spark gap throughout the service interval.

• Multi-Ground Design: Specialized electrode configuration provides better ignitability and anti-fouling performance.
• Pure Copper Core: Aids in efficient heat removal to prevent pre-ignition.
• Alumina Silicate Ceramic Insulator: Provides superior dielectric strength and heat transfer.
• Corrugated Ribs: Engineered to prevent flashover for consistent ignition.
• Triple Seals: Robust construction to prevent combustion gas leakage.

• Manufacturer Part Number: LKAR8AP7JDS
• Series: Laser Platinum
• Electrode Material: Platinum
• Quantity: Box of 4

Fits select 2013-2020 Ford and Lincoln vehicles (Edge, Escape, Explorer, Focus, Fusion, Mustang, Taurus, MKC, MKT, and MKZ).

NGK Laser Iridium spark plugs are engineered for OE-specific applications to deliver the highest levels of performance and longevity. These plugs feature a laser-welded iridium-tipped center electrode for extreme durability and a platinum pad on the ground electrode to ensure even wear in modern distributorless ignition systems. The combination of precious metals provides a service life significantly longer than standard platinum or nickel plugs while maintaining a stable spark in high-efficiency engines.

• Precise Ignition: Iridium-tipped center electrode is six times harder than platinum for superior resistance to spark erosion.
• Advanced Construction: 98% pure copper core provides superior heat dissipation to prevent overheating and pre-ignition.
• Durability: Pure alumina silicate ceramic insulator offers high dielectric strength and better heat transfer.
• Anti-Corrosion: Trivalent metal plating provides superior anti-seizing properties without the need for anti-seize during installation.
• Leak Prevention: Triple seals prevent combustion gas leakage past the shell.
• Part Number: LTR6DI-8 (Box of 4)

Fits select 1996-2012 Bentley, Cadillac, Chevrolet, Chrysler, Dodge, Honda, Hyundai, Isuzu, Jaguar, Kia, Land Rover, Lexus, and Mazda models.

NGK Ruthenium HX High Ignitability spark plugs represent the pinnacle of modern ignition technology, designed to meet the demands of advanced engines. Ruthenium offers superior oxidation resistance and a higher melting point than iridium or platinum, ensuring consistent performance and industry-leading durability. These plugs feature specialized OEM DFE (Double Fine Electrode) and PSPE (Projected Square Platinum Electrode) tip designs to ensure a more complete fuel burn, resulting in sharper throttle response, a more stable idle, and more reliable cold-weather starts.

• Ruthenium Center Electrode: 0.4mm fine-wire alloy provides maximum ignitability and service life.
• Platinum Ground Electrode: 0.8mm fine-wire design maintains a precise spark gap under high-stress conditions.
• Superior Insulator: Pure alumina silicate ceramic construction for high dielectric strength and optimized heat transfer.
• Advanced Corrosion Protection: Trivalent metal plating prevents seizing and corrosion in the cylinder head without the need for anti-seize.
• Built-In Safety: Corrugated ribs prevent flashover, while a copper core aids in efficient heat removal.

• Manufacturer Part Number: FR5BHX
• Quantity: Box of 4
• Center Electrode Tip: Ruthenium Alloy
• Ground Electrode Tip: Platinum