Fits select 2004-2020 Buick, Cadillac, Chevrolet, and Ford models.

NGK Ruthenium HX High Ignitability spark plugs represent the pinnacle of modern ignition technology, designed specifically for today's high-efficiency engines. Utilizing a patented ruthenium alloy, these plugs provide superior durability and oxidation resistance compared to traditional precious metal alternatives. The advanced DFE (Double Fine Electrode) and PSPE (Projected Square Platinum Electrode) tip designs ensure a more complete fuel burn, resulting in quicker throttle response, a smoother idle, and more reliable cold starts.

Each plug is engineered with a ultra-fine 0.4mm ruthenium center electrode and a 0.8mm platinum ground electrode to maximize spark energy while minimizing the required voltage. The pure alumina silicate ceramic insulator and copper core provide exceptional heat transfer and strength, while the trivalent metal plating protects against corrosion and seizing in the cylinder head.

• 0.4mm Ruthenium alloy fine wire center electrode
• 0.8mm platinum fine wire ground electrode
• DFE and PSPE tip designs for maximum ignitability
• Pure alumina silicate ceramic insulator for superior heat transfer
• Trivalent metal plating for anti-corrosion and anti-seizing properties
• Corrugated ribs to prevent electrical flashover
• Copper core for efficient heat removal

NGK Racing spark plugs are engineered to withstand the extreme cylinder pressures and thermal loads of professional competition. These R2556G-10 plugs feature a cold heat range specifically designed for high-compression, turbocharged, or nitrous-fed engines where heat management is critical to preventing detonation. The specialized electrode configuration and fine-wire design ensure reliable ignitability and throttle response under grueling racing conditions.

• Manufacturer Part Number: R2556G-10
• Heat Range: 10
• Material: Pure alumina silicate ceramic insulator provides superior dielectric strength and efficient heat transfer.
• Trivalent Metal Plating: Features anti-corrosion and anti-seizing properties to protect cylinder head threads during frequent plug changes.
• Thermal Management: A built-in copper core facilitates rapid heat dissipation, protecting the electrode from melting under high load.
• Leak Protection: Triple seals prevent combustion gas leakage, while corrugated ribs on the insulator eliminate electrical flashover.
• Quantity: Set of 4 spark plugs.

Fits 2016-2020 Honda CRF1000L/CRF1100L Africa Twin and 2019-2020 Honda Talon 1000R/1000X/1000X-4 models.

NGK Laser Iridium High Ignitability spark plugs are engineered to provide the ultimate combination of performance and service life for high-output Honda powersports engines. These plugs feature a fine-wire iridium-tipped center electrode paired with a raised platinum pad on the ground electrode. This dual-precious-metal construction ensures consistent spark delivery and extremely high durability, even in the high-heat environment of modern distributorless ignition systems.

• Iridium Center Electrode: Delivers a center electrode material six times harder than platinum for maximum longevity and stable ignitability.
• Platinum Ground Electrode: Features a raised platinum pad for even wear and improved spark performance over the life of the plug.
• Copper Core: The 98 percent pure copper core facilitates rapid heat dissipation to prevent overheating and reliable cold starts.
• Alumina Silicate Ceramic: High-grade ceramic insulator provides superior dielectric strength and thermal conductivity.
• Trivalent Metal Plating: Offers specialized anti-corrosion and anti-seizing properties to protect the cylinder head threads.

Technical Specifications:

• Manufacturer Part Number: SILMAR8A9S
• Series: Laser Iridium High Ignitability
• Quantity: Box of 4 plugs
• Seal Type: Triple gasket seals to prevent combustion gas leakage

Fits select 2012-2019 Can-Am and Ski-Doo models, including Spyder F3/RT series and Expedition, Grand Touring, MX Z, Renegade, Skandic, and Tundra models with 600 ACE or 900 ACE engines.

NGK Laser Iridium spark plugs are engineered to provide the highest levels of performance and longevity for original equipment applications. These plugs utilize a fine-wire iridium-tipped center electrode for superior ignitability and a service life significantly longer than standard platinum plugs. Designed to handle the demands of modern distributorless ignition systems, many Laser Iridium plugs feature a platinum pad on the ground electrode to ensure even wear and consistent gap spacing over thousands of miles.

• Manufacturer Part Number: MR7BI-8
• Quantity: Box of 4 spark plugs
• Iridium-tipped center electrode is six times harder than platinum for maximum durability
• Platinum pad on ground electrode provides even wear in high-stress ignition systems
• Pure alumina silicate ceramic insulator offers superior dielectric strength and thermal conductivity
• 98% pure copper core aids in heat removal to prevent overheating and pre-ignition
• Trivalent metal plating provides excellent anti-corrosion and anti-seizing properties
• Triple seals prevent combustion gas leakage for consistent cylinder compression

NGK Laser Iridium spark plugs are engineered for drivers seeking high performance and long-term reliability in original equipment (OE) applications. These plugs feature a fine-wire iridium-tipped center electrode for superior ignitability and a platinum pad on the ground electrode to ensure even wear in modern distributorless ignition systems.

Built to handle extreme combustion chamber temperatures, the ILZKR8C8G utilizes a 98% pure copper core and high-grade alumina silicate ceramic insulators for efficient heat transfer and electrical strength. The trivalent metal plating provides a durable barrier against corrosion and seizing, simplifying future maintenance.

• Manufacturer Part Number: ILZKR8C8G
• Quantity: Box of 4 Spark Plugs
• Center Electrode: Iridium-tipped for maximum durability and spark efficiency
• Ground Electrode: Platinum pad helps prevent premature wear
• Core Material: 98% pure copper core for superior heat dissipation
• Insulator: Pure alumina silicate ceramic for high-strength dielectric properties
• Sealing: Triple-gasket seal prevents combustion gas leakage
• Finish: Trivalent metal plating for anti-corrosion and anti-seizing

Fits 2016-2019 Sea-Doo GTX Limited 300, RXP X 300, and RXT X 300 (Base models).

NGK Standard spark plugs are engineered as an OE-quality replacement for marine applications, providing reliable ignition and consistent performance. Designed to withstand the high-stress environment of high-output personal watercraft engines, these plugs feature a 98% pure copper core for maximum heat dissipation and conductivity. The high-grade alumina silicate ceramic insulator ensures superior dielectric strength, while corrugated ribs prevent flashover to maintain a strong spark.

To protect against the harsh conditions of marine use, NGK applies a trivalent metal plating to the shell, offering excellent anti-corrosion and anti-seizing properties that make future maintenance easier. These plugs utilize triple gasket sealing to prevent combustion gas leakage, ensuring your engine maintains its specified compression and power.

• Part Number: KR9C-G
• Quantity: Box of 4
• Material: Nickel alloy center electrode with a 98% pure copper core
• Insulator: Pure alumina silicate ceramic for heat transfer and strength
• Coating: Trivalent metal plating for superior anti-corrosion and anti-seizing
• Seal: Triple gasket design to prevent combustion leakage
• Safety: Corrugated ribs to prevent electrical flashover

Fits select 2014-2015 Cadillac CTS and XTS models.

NGK Laser Iridium spark plugs are engineered to deliver precise ignition performance and maximum longevity for high-output OE applications. The ILTR7E9 features a laser-welded iridium-tipped center electrode paired with a platinum-tipped ground electrode. This combination provides a stable spark, superior anti-fouling characteristics, and a service life significantly longer than standard copper or platinum plugs.

Built with a 98% pure copper core for efficient heat dissipation, these plugs help prevent pre-ignition and overheating. The pure alumina silicate ceramic insulator provides high dielectric strength and thermal conductivity to ensure reliable cold starts and consistent firing under load. Each plug is finished with trivalent metal plating to provide superior anti-corrosion and anti-seizing properties during long-term installation.

• Part Number: ILTR7E9
• Iridium Center Electrode: Offers extreme durability and a high melting point
• Platinum Ground Pad: Ensures even wear in distributorless ignition systems (DIS)
• Copper Core: Aids in rapid heat removal to prevent engine knock
• Trivalent Plating: Eliminates the need for anti-seize during installation
• Triple Seals: Prevents combustion gas leakage for consistent cylinder pressure

NGK Laser Iridium spark plugs (LMAR9AI-8D) are engineered to deliver the ultimate combination of performance, fuel efficiency, and service life. Designed as a high-performance replacement for vehicles originally equipped with fine-wire iridium alloy plugs, these spark plugs utilize a laser-welded iridium-tipped center electrode. This material is six times harder than platinum, providing exceptional durability and a stable spark even under the high-stress conditions of modern engines.

Built with a 98% pure copper core and high-grade alumina silicate ceramic insulators, the LMAR9AI-8D effectively manages internal temperatures to prevent overheating and pre-ignition. Most plugs in this series also feature a platinum chip on the ground electrode to ensure even wear in distributorless ignition systems (DIS). The trivalent metal plating provides superior anti-corrosion and anti-seizing properties, making these plugs easier to remove during future maintenance.

• Iridium-tipped center electrode for maximum spark stability and longevity
• Platinum disc welded to the backside of the ground electrode for even wear
• Trivalent metal plating for superior anti-corrosion and anti-seizing
• 98% pure copper core for improved heat dissipation and reliable starts
• Triple-seal construction prevents combustion gas leakage
• High-grade alumina silicate ceramic insulator for superior dielectric strength
• Manufacturer Part Number: LMAR9AI-8D
• Quantity: Set of 4

NGK Ruthenium HX High Ignitability spark plugs are engineered for modern high-efficiency engines requiring advanced tip technology for maximum performance and service life. Using patented Ruthenium alloy, these plugs deliver superior durability and a more complete fuel burn than traditional precious metal alternatives. This results in quicker throttle response, a smoother idle, and more reliable cold starts.

• Fits select 2010-2020 Buick, Cadillac, Chevrolet, and Ford models.
• High-ignitability 0.4mm Ruthenium alloy fine wire center electrode for industry-leading durability.
• 0.8mm platinum fine wire ground electrode using specialized DFE and PSPE designs.
• Pure alumina silicate ceramic insulator ensures superior strength and optimized heat transfer.
• Trivalent metal plating provides excellent anti-corrosion and anti-seizing properties without the need for anti-seize during installation.
• Corrugated ribs prevent flashover while the integrated copper core aids in heat dissipation.
• Manufacturer Part Number: LTR6BHX

NGK Laser Iridium spark plugs provide the optimal combination of performance and longevity for OE applications. Each plug features an iridium-tipped center electrode that is six times harder than platinum, maintaining a precise gap over an extended service life. Engineered with a 98% pure copper core and a high-grade pure alumina silicate ceramic insulator, these plugs effectively manage heat transfer to prevent overheating while ensuring reliable cold starts and consistent ignition.

• Part Number: ILZKR7G7G
• Quantity: Box of 4
• Center Electrode: Fine-wire iridium tip for superior durability and spark efficiency
• Ground Electrode: Platinum pad provides even wear characteristics in distributorless ignition systems
• Core Material: 98% pure copper core for maximum heat dissipation
• Insulator: Pure alumina silicate ceramic for high dielectric strength and thermal conductivity
• Plating: Trivalent metal plating for advanced anti-corrosion and anti-seizing properties
• Sealing: Triple gasket seals prevent combustion gas leakage

Fits select 1991-2020 BMW, Honda, and Victory models including the BMW M5, Honda VTX1300/Fury, and various Victory cruisers.

NGK Iridium IX spark plugs are engineered for performance enthusiasts seeking improved throttle response and superior anti-fouling. The 0.6mm fine-wire iridium center electrode provides high durability and a consistently stable spark, while the tapered cut ground electrode minimizes quenching for faster starts and smoother idling. This design ensures maximum ignitability, making it an ideal upgrade for modified engines or as a high-performance replacement for OE nickel alloy plugs.

To ensure long-term reliability in demanding conditions, these plugs feature trivalent metal plating, which provides superior anti-corrosion and anti-seizing properties without the need for anti-seize during installation. The iridium alloy's extremely high melting point is perfectly suited for the thermal demands of modern high-performance engines.

• Manufacturer Part Number: DCPR6EIX
• Center Electrode: 0.6mm Fine-wire Iridium tip
• Ground Electrode: Tapered cut for reduced quenching
• Plating: Trivalent metal for corrosion resistance
• Quantity: Box of 4

Fits select 2000-2008 Sea-Doo and Yamaha personal watercraft, including GTI, WaveRunner GP1200, GP1300R, XL12 LTD, XLT1200, and XR1800.

NGK Standard spark plugs (BR8ES-11) are a proven OE-grade solution designed for consistent performance in marine environments. These plugs feature a 98% pure copper core for superior heat dissipation and conductivity, ensuring reliable ignition across a wide heat range. The high-grade alumina silicate ceramic insulator provides exceptional dielectric strength and improved heat transfer, while the trivalent metal plating protects against corrosion and seizing during maintenance.

• Durable Construction: High-grade alumina silicate ceramic insulator provides superior strength and thermal conductivity.
• Leak Prevention: Triple gasket sealing prevents combustion gas leakage to maintain cylinder compression.
• Flashover Protection: Corrugated ribs on the insulator prevent electrical flashover.
• Anti-Corrosion Finish: Trivalent metal plating offers superior anti-seizing properties, ensuring ease of installation and removal without the need for additional anti-seize.
• Copper Core Technology: 98% pure copper core aids in heat removal for more stable operating temperatures.

• Manufacturer Part Number: BR8ES-11
• Quantity: Box of 4
• Core Material: Copper
• Electrode Material: Nickel Alloy
• Plating: Trivalent Metal

Fits select 2001-2006 Volkswagen Beetle, EuroVan, Golf, and Jetta models.

NGK Laser Platinum spark plugs are engineered to restore original equipment performance and service life in select Volkswagen applications. These plugs feature a laser-welded platinum disk on the center electrode and a platinum pad on the ground electrode, providing minimal gap erosion and consistent spark delivery over a longer service life than standard nickel plugs. Designed for precise OE fitment, they ensure stable idling, superior anti-fouling, and improved fuel efficiency.

The high-grade alumina silicate ceramic insulator provides superior dielectric strength and thermal conductivity, while the 98% pure copper core efficiently removes heat to prevent overheating under heavy loads. Trivalent metal plating offers excellent anti-corrosion and anti-seizing properties, while corrugated ribs and triple seals prevent electrical flashover and combustion gas leakage.

• Laser-welded platinum center electrode and ground electrode pad for even wear in DIS systems
• High-grade pure alumina ceramic insulator for superior dielectric strength and heat transfer
• 98% pure copper core aids in heat removal to prevent pre-ignition and overheating
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover and triple seals prevent gas leakage
• Manufacturer Part Number: PZFR5D-11
• Quantity: Box of 4

Fits select 2003-2006 Audi RS6 and Porsche Cayenne (Turbo / Turbo S).

NGK Laser Platinum spark plugs are engineered to match original equipment specifications for high-performance European engines. These plugs utilize a fine-wire platinum tip and a platinum pad on the ground electrode to ensure consistent ignitability and a longer service life compared to standard nickel alternatives. This design is specifically optimized for distributorless ignition systems, providing stable idling, improved fuel efficiency, and superior anti-fouling characteristics.

Construction includes a high-grade alumina silicate ceramic insulator and a 98% pure copper core, which facilitates rapid heat removal to prevent overheating under load. The trivalent metal plating provides long-term resistance against corrosion and seizing, ensuring the plugs remain easy to remove at the end of their service interval.

• Manufacturer Part Number: PFR7Q (Stock No. 7963)
• Center Electrode: Platinum tipped fine wire
• Ground Electrode: Platinum pad for even wear and durability
• Insulator: Pure alumina silicate ceramic with corrugated ribs to prevent flashover
• Core Material: 98% pure copper for maximum heat dissipation
• Shell Plating: Trivalent metal for anti-corrosion and anti-seizing
• Sealing: Triple gasket seals to prevent combustion gas leakage
• Quantity: Box of 4 spark plugs

Fits select 1984-2019 Argo, Bentley, Cadillac, Case IH, Chevrolet, and Cub Cadet vehicles.

NGK V-Power spark plugs are engineered to deliver improved ignitability and reduced quenching compared to standard nickel plugs. The centerpiece of this design is the technical V-cut nickel alloy center electrode, which directs the spark to the outer edge of the electrode. This allows the flame kernel to expand more quickly and efficiently, resulting in more complete combustion, smoother idling, and more reliable cold starts.

• V-Cut Center Electrode: Enhances spark development and reduces quenching for improved performance in OE applications.
• Advanced Ceramic: High-grade alumina silicate ceramic insulator provides superior dielectric strength and optimal heat transfer.
• Trivalent Metal Plating: Provides long-term anti-corrosion and anti-seizing properties, ensuring the plugs won't seize in the cylinder head over time.
• Cold-Rolled Threads: Prevents damage to the cylinder head during installation.
• Corrugated Ribs: Engineered to prevent flashover and suppress electrical leakage.
• Copper Core: A pure copper core aids in heat dissipation to prevent pre-ignition and plug overheating.
• Triple Seals: Prevents combustion gas leakage for consistent cylinder pressure.

Specifications:
Part Number: BKR5E
Quantity: Box of 4 Spark Plugs

Fits select 2005-2020 Dodge and Subaru models including Challenger/Charger SRT Hellcat, WRX STI, Legacy GT, and Outback XT.

NGK Laser Iridium High Ignitability spark plugs are engineered to provide a combination of high-performance ignition and extreme longevity. These OE-specific plugs feature a laser-welded iridium-tipped center electrode—a material six times harder than platinum—ensuring stable spark delivery and reduced voltage requirement over the life of the plug. To ensure even wear in distributorless ignition systems (DIS), the ground electrode is fitted with a raised platinum pad.

The construction utilizes a high-grade pure alumina silicate ceramic insulator for superior thermal conductivity and dielectric strength. A 98% pure copper core aids in heat dissipation to prevent pre-ignition and fouling. For durability in harsh engine environments, the housing is finished with trivalent metal plating to provide long-lasting anti-corrosion and anti-seizing properties during installation and removal.

• Manufacturer Part Number: SILFR6A
• Quantity: Box of 4 spark plugs
• Center Electrode: Iridium tipped fine wire
• Ground Electrode: Platinum pad or fine wire tip
• Core Material: 98% pure copper core for heat removal
• Insulator: Pure alumina silicate ceramic
• Finish: Trivalent metal plating for anti-corrosion
• Sealing: Triple gasket seals to prevent combustion leakage

Fits select 1974-2002 BMW, Honda, Kawasaki, Suzuki, and Yamaha motorcycles and ATVs.

NGK Standard spark plugs are engineered to original equipment standards, providing a reliable ignition source for vintage and modern powersports applications. Each plug features a 98% pure copper core for superior heat dissipation and conductivity, ensuring the plug maintains an ultra-wide heat range to prevent fouling and pre-ignition. The high-grade alumina silicate ceramic insulator provides optimal dielectric strength, while the corrugated ribs are designed to prevent flashover.

Built for durability in demanding environments, these plugs utilize a trivalent metal plating that offers superior anti-corrosion and anti-seizing properties, making them easier to remove during routine maintenance. The triple gasket sealing process prevents combustion gas leakage, maintaining engine compression and efficiency.

• Manufacturer Part Number: D7EA
• Quantity: Box of 10 plugs
• Core Material: 98% Pure copper core for enhanced heat transfer
• Insulator: Alumina silicate ceramic for high dielectric performance
• Finish: Trivalent metal plating for anti-corrosion and anti-seizing
• Seal: Triple gasket seal to prevent combustion leakage
• Design: Corrugated ribs to eliminate electrical flashover

Fits select 2001-2014 Honda TRX500FA, TRX500FGA, and TRX500FPA FourTrax Foreman models.

NGK Laser Iridium spark plugs are engineered to provide maximum longevity and precise ignition performance. Designed for OE applications, the IJR7A9 features a laser-welded iridium-tipped center electrode that is six times harder than platinum, providing superior resistance to spark erosion. The 98% pure copper core aids in efficient heat dissipation to prevent overheating under heavy load, while the high-grade alumina silicate ceramic insulator ensures high dielectric strength and better heat transfer.

• Iridium-tipped center electrode for extreme durability and a consistent spark
• Platinum pad on ground electrode (where applicable) ensures even wear in distributorless systems
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Triple seals prevent combustion gas leakage for consistent cylinder pressure
• Pure alumina silicate ceramic insulator for superior strength and thermal conductivity
• Manufacturer Part Number: IJR7A9

Fits select 1987-2020 Arctic Cat, BMW, Suzuki, and Yamaha vehicles.

NGK Standard spark plugs are a proven OE-quality replacement designed for consistent performance and long-term reliability. Featuring a solid 98% pure copper core, these plugs provide superior heat dissipation and conductivity, allowing for an ultra-wide heat range that prevents fouling and pre-ignition. The insulator is constructed from high-grade alumina silicate ceramic to ensure dielectric strength and efficient heat transfer from the combustion chamber to the cylinder head.

Each plug is treated with a trivalent metal plating, providing robust anti-corrosion and anti-seizing properties to ensure the plugs remain easy to remove even after high-mileage service intervals. The triple gasket sealing process prevents combustion gas leakage, maintaining engine compression and efficiency.

• Manufacturer Part Number: DR7EA
• Quantity: Box of 10
• 98% Pure Copper Core: Offers maximum heat removal and electrical conductivity
• Trivalent Metal Plating: Superior anti-corrosion and anti-seizing properties; no anti-seize required
• Alumina Silicate Ceramic Insulator: High-strength dielectric performance for consistent spark delivery
• Corrugated Ribs: Specifically designed to prevent flashover
• Triple Gasket Seal: Ensures a gas-tight seal to prevent pressure loss

Fits select 1971-2016 Aprilia, Honda, Kawasaki, Suzuki, and Yamaha scooters, ATVs, and motorcycles, including PW50, JR50, and Scarabeo 50 2T models.

NGK Standard spark plugs (BPR4HS) are engineered as a reliable OE replacement for small-displacement engines. These plugs feature a solid 98% pure copper core for superior heat dissipation and conductivity, ensuring consistent ignition across a wide heat range. The high-grade alumina silicate ceramic insulator provides high dielectric strength and heat transfer, while the corrugated ribs help prevent flashover that can lead to misfires.

Each plug is treated with trivalent metal plating, providing long-lasting protection against corrosion and seizing in the cylinder head—an essential feature for air-cooled engines and powersports applications. The triple gasket sealing process prevents combustion gas leakage, maintaining engine compression and efficiency.

• Manufacturer Part Number: BPR4HS
• Quantity: Box of 10 spark plugs
• Center Electrode Material: Nickel alloy with 98% pure copper core
• Insulator: Alumina silicate ceramic with corrugated ribs
• Finish: Trivalent metal plating for anti-corrosion and anti-seizing
• Sealing: Triple gasket design to prevent gas leakage

Fits select 2001-2019 Arctic Cat and Polaris snowmobiles.

NGK Standard spark plugs are engineered as a reliable OE cornerstone for high-performance engines. These BPR9ES plugs feature a 98% pure copper core to provide superior heat dissipation and conductivity, maintaining a stable operating temperature across ultra-wide heat ranges. The construction utilizes high-grade alumina silicate ceramic for the insulator, providing exceptional dielectric strength and improved heat transfer to prevent overheating.

Built to withstand the rigors of power sports environments, the exterior is finished with trivalent metal plating to ensure long-term anti-corrosion and anti-seizing properties, making future removals easier. The design includes corrugated ribs to eliminate flashover and a triple gasket sealing process to prevent combustion gas leakage during high-pressure cycles.

• Manufacturer Part Number: BPR9ES
• Core Material: 98% Pure copper core for optimal thermal management
• Insulator Material: High-grade alumina silicate ceramic
• Shell Finish: Trivalent metal plating for superior corrosion resistance
• Seal Type: Triple gasket sealing to prevent compression loss
• Design Features: Corrugated ribs to prevent electrical flashover
• Quantity: Set of 4 spark plugs