NGK R2556G-8 Racing spark plugs are engineered for high-stress competition environments where standard plugs might fail. Designed to withstand extreme combustion pressures and temperatures, these plugs feature specialized center electrode configurations that prioritize both ignitability and long-term durability in grueling racing conditions. The combination of iridium and platinum materials ensures consistent spark delivery even under extreme heat ranges.

• MPN: R2556G-8
• Electrode Material: Iridium/Platinum for maximum resistance to spark erosion
• Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties for easier installation and removal
• Copper Core: Integrated to aid in rapid heat removal and prevent pre-ignition
• Alumina Silicate Ceramic Insulator: Provides high dielectric strength and optimized heat transfer
• Triple Seals: Engineered to prevent combustion gas leakage under high-pressure conditions
• Quantity: Box of 4 spark plugs

Fits select 2006-2020 Honda, Kawasaki, and Yamaha motorcycles, ATVs, and UTVs including Vulcan 900, Teryx, Bolt, and Grizzly models.

NGK Iridium IX spark plugs are engineered for performance enthusiasts seeking improved ignitability and throttle response. The fine-wire iridium center electrode provides high durability and a consistently stable spark, while the tapered cut ground electrode reduces quenching to ensure superior starting and idling performance. These plugs serve as a high-performance upgrade over standard OE nickel alloy plugs, offering six times the hardness of platinum and an extremely high melting point suited for modern high-heat engines.

• Part Number: CPR7EAIX-9
• Quantity: Box of 4 spark plugs
• Iridium alloy fine-wire center electrode for extreme ignitability and consistent spark
• Tapered cut ground electrode improves flame expansion and reduces electrical quenching
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Specifically designed to resist carbon fouling in modified or high-performance applications

Fits select 2008-2017 Chrysler, Dodge, Fiat, Jeep, and Ram vehicles including the 300, Challenger, Charger, Durango, Ram 1500/2500/3500, Grand Cherokee, and Cherokee.

NGK Standard nickel alloy spark plugs are engineered to restore original equipment performance and reliability. These "Yellow Box" plugs utilize a 98% pure copper core for superior heat dissipation and conductivity, ensuring a stable spark across a wide heat range. The high-grade alumina silicate ceramic insulator provides high dielectric strength and heat transfer, while the trivalent metal plating provides long-term protection against corrosion and seizing in the cylinder head.

• Manufacturer Part Number: LZFR5C-11
• Quantity: Box of 4 spark plugs
• Core Material: 98% Pure copper core for improved heat removal
• Insulator: Alumina silicate ceramic with corrugated ribs to prevent flashover
• Sealing: Triple gasket seal prevents combustion gas leakage
• Finish: Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Design: OE-style nickel alloy center electrode for reliable service life

Fits 2011-2015 Mitsubishi Lancer Evolution GSR, MR, and MR Touring.

NGK Laser Iridium High Ignitability spark plugs are designed for enthusiasts and technicians who demand the optimal balance of longevity and performance. These plugs feature an iridium-tipped center electrode combined with a platinum pad or fine wire tip on the ground electrode, providing exceptional wear resistance and a stable spark even in the high-stress environment of distributorless ignition systems. The iridium construction is six times harder than platinum, ensuring the electrode gap remains consistent over a longer service life than standard OE plugs.

• Precision Ignitability: Iridium center electrode and platinum ground electrode tip for superior spark performance and even wear.
• Thermal Management: A 98% pure copper core aids in efficient heat removal, while high-grade alumina silicate ceramic provides superior strength and better heat transfer.
• Anti-Corrosion Finish: Trivalent metal plating offers excellent anti-corrosion and anti-seizing properties without the need for anti-seize during installation.
• Gas-Tight Seal: Triple gasket seals prevent combustion leakage, maintaining engine compression and efficiency.
• Manufacturer Part Number: DILKR8B6 (Set of 4 plugs).

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 2014-2018 Suzuki DL1000 V-Strom and DL1000 V-Strom ABS.

NGK Laser Iridium spark plugs provide the ultimate combination of high-performance ignition and extreme service life. Engineered as an OE-specific solution, the LMAR8BI-9 features a fine-wire iridium-tipped center electrode that is six times harder than platinum. This design is paired with a platinum chip on the ground electrode to ensure even wear and a consistent spark gap across the plug's lifespan, even in distributorless ignition systems.

Built to withstand high-stress environments, these plugs utilize a high-grade pure alumina silicate ceramic insulator for superior thermal conductivity and structural strength. The trivalent metal plating offers excellent anti-corrosion and anti-seize properties, while the internal triple seals prevent combustion gas leakage.

• Iridium-tipped center electrode for superior durability and spark focus
• Platinum pad on the ground electrode ensures even wear and reliable starts
• 98% pure copper core facilitates rapid heat dissipation to prevent overheating
• Triple seals eliminate the risk of pressure leakage
• Trivalent metal plating protects against corrosion and seizing
• Manufacturer Part Number: LMAR8BI-9
• Quantity: Box of 4

NGK Laser Iridium spark plugs represent the highest level of OE-replacement technology, combining a precision-engineered iridium-tipped center electrode with a platinum-padded ground electrode. Specifically designed for the ACE 900 engine found in Ski-Doo snowmobiles, these plugs provide a 0.8mm gap that ensures reliable starts, stable idling, and superior anti-fouling performance in extreme cold.

Fits 2015-2019 Ski-Doo Expedition, Grand Touring, GSX, MX Z, Renegade, and Skandic models with the ACE 900 engine.

• Iridium Tip: The laser-welded iridium alloy tip is six times harder than platinum, providing extreme durability and resistance to spark erosion.
• 98% Pure Copper Core: Facilitates superior heat dissipation to prevent overheating and pre-ignition.
• Trivalent Metal Plating: Provides advanced anti-corrosion and anti-seizing properties, protecting the threads in aluminum cylinder heads.
• Alumina Silicate Ceramic: High-grade ceramic insulator offers superior dielectric strength and efficient thermal transfer.
• Triple Seals: Proprietary sealing process prevents combustion gas leakage to maintain consistent cylinder compression.
• Manufacturer Part Number: MR8BI-8 (Stock No. 95547)

Fits select 2012-2020 Mercedes-Benz C, CLA, CLS, E, GL, GLA, GLC, GLE, GLS, ML, S, SL, and SLC-Class models.

Restore your ignition system's performance and efficiency with this set of four NGK Iridium spark plugs. Specifically engineered to replace original equipment iridium alloy plugs, the SILKGR9A7EG utilizes a fine-wire electrode design to ensure consistent ignitability and reliable combustion. These plugs are constructed with a pure alumina silicate ceramic insulator for superior dielectric strength and thermal conductivity, while the trivalent metal plating offers robust protection against corrosion and seizing in the cylinder head without the need for anti-seize compound.

• Manufacturer Part Number: SILKGR9A7EG
• Quantity: Box of 4
• Insulator: Pure alumina silicate ceramic for high-strength heat transfer and durability
• Finish: Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Core: Integrated copper core aids in rapid heat removal under heavy loads
• Sealing: Triple-seal gasket design prevents combustion gas leakage

NGK Laser Iridium High Ignitability spark plugs are engineered to provide the ultimate combination of combustion efficiency and long-term durability. Designed to meet or exceed original equipment standards, the DILKAR7Q8 features a laser-welded iridium-tipped center electrode. This material is six times harder than platinum, allowing for a high-ignitability design that maintains its gap even under extreme thermal stress. The ground electrode is reinforced with a platinum pad or fine wire tip to ensure even wear and consistent spark performance in modern distributorless ignition systems (DIS).

• Iridium Center Electrode: Laser-welded precious metal tip provides superior durability and a high melting point.
• Platinum Ground Electrode: Raised platinum pad improves ignitability and resists erosion for extended service life.
• Copper Core: 98% pure copper core facilitates rapid heat dissipation to prevent overheating and pre-ignition.
• Pure Alumina Silicate Ceramic: High-grade insulator offers superior dielectric strength and thermal conductivity.
• Trivalent Metal Plating: Specialized coating provides long-lasting anti-corrosion and anti-seizing protection.
• Triple Seal Construction: High-pressure seals prevent combustion gas leakage to maintain engine compression.
• Manufacturer Part Number: DILKAR7Q8
• Quantity: Box of 4 spark plugs.

Fits select 2002-2020 Buick, Cadillac, Chevrolet, and GMC models including Silverado, Tahoe, Escalade, Corvette, and Trailblazer.

NGK Laser Iridium spark plugs are engineered as the ultimate OE-replacement solution, bridging the gap between high-efficiency performance and extreme longevity. These plugs feature a laser-welded iridium-tipped center electrode, a material six times harder than platinum, paired with a platinum chip on the ground electrode to ensure even wear in modern distributorless ignition systems (DIS).

Constructed with a 98 percent pure copper core and a high-grade pure alumina silicate ceramic insulator, these plugs provide superior heat dissipation and electrical insulation. The trivalent metal plating offers high-performance anti-corrosion and anti-seizing properties, making them ideal for long service intervals.

• Part Number: ILTR5E11
• Iridium-tipped center electrode for stable spark and durability
• Platinum ground electrode pad for consistent performance in DIS systems
• Pure alumina silicate ceramic insulator for superior strength and heat transfer
• Trivalent metal plating eliminates the need for anti-seize during installation
• Triple seals prevent combustion gas leakage
• Copper core aids in rapid heat removal to prevent overheating

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 2008-2015 BMW 550i, 650i, 750i, 750Li, 760Li, X5, X6, and 2011-2013 Rolls-Royce Ghost.

NGK Laser Iridium High Ignitability spark plugs are engineered specifically for original equipment applications to provide the ultimate combination of performance and longevity. These plugs feature an iridium-tipped center electrode that is six times harder than platinum, maintaining a precise spark gap under extreme combustion conditions. For compatibility with modern distributorless ignition systems, the ground electrode is equipped with a raised platinum pad or fine wire tip to ensure even wear and improved spark performance.

• Iridium-tipped center electrode for maximum durability and spark consistency
• Platinum-tipped ground electrode for superior wear resistance in DIS systems
• 98% pure copper core aids in heat removal to prevent overheating and pre-ignition
• Pure alumina silicate ceramic insulator provides superior strength and heat transfer
• Trivalent metal plating for excellent anti-corrosion and anti-seizing properties
• Triple seals prevent combustion gas leakage

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

Fits select 2008-2020 Infiniti G37, Q50, Q60, Q70, and Nissan 370Z and GT-R models.

NGK Ruthenium HX High Ignitability spark plugs represent the pinnacle of modern ignition technology. Engineered for high-efficiency engines, these plugs utilize a patented Ruthenium alloy center electrode that offers superior durability and a higher melting point than traditional platinum or iridium. This LKAR8BHX set provides a more complete fuel burn, resulting in quicker throttle response, a smoother idle, and more reliable cold starts in all conditions.

The specialized DFE (Double Fine Electrode) and PSPE (Projected Square Platinum Electrode) tip designs are derived from OE technology to maximize spark energy. Each plug is constructed with a pure alumina silicate ceramic insulator for better heat transfer and a copper core to assist in heat removal. The trivalent metal plating ensures excellent anti-corrosion and anti-seizing properties, making these the ideal replacement for high-performance modern vehicles.

• Manufacturer Part Number: LKAR8BHX
• Center Electrode: 0.4mm Ruthenium alloy fine wire
• Ground Electrode: 0.8mm Platinum fine wire
• Core Material: Copper core for improved thermal management
• Insulator: Pure alumina silicate ceramic with corrugated ribs to prevent flashover
• Finish: Trivalent metal plating for superior anti-seize protection
• Quantity: Box of 4 spark plugs

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 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

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 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 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

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 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

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