Fits select 1989-2020 Honda models including CBR900RR, Ruckus, Silver Wing, Interceptor, and CRF150R.

NGK Iridium IX spark plugs are engineered for the performance enthusiast, offering superior ignitability and throttle response compared to standard nickel alloy plugs. The 0.6mm fine wire iridium center electrode provides high durability and a consistently stable spark, while the tapered cut ground electrode reduces quenching to improve cold starts and idling stability. Built to withstand the high temperatures of modern engines, the iridium alloy is six times harder than platinum, ensuring long-term performance under demanding conditions.

• Part Number: CR8EHIX-9 (Stock No. 3548)
• 0.6mm fine wire iridium center electrode for precise spark focus
• Tapered cut ground electrode improves flame kernel expansion
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• High melting point iridium alloy construction for maximum heat resistance
• Box of 4 spark plugs included

Detailed Fitment:

Fits select 2006-2009 Mazda 3, 6, and CX-7.

NGK Laser Iridium spark plugs (ILTR6A-8G) are engineered to deliver the highest level of performance and longevity for original equipment applications. These plugs feature a fine-wire iridium-tipped center electrode that is six times harder than platinum, ensuring consistent ignition and extreme durability. Most Laser Iridium plugs incorporate a platinum pad on the ground electrode to ensure even wear, making them ideal for high-mileage performance in distributorless ignition systems.

• Iridium-tipped center electrode provides superior durability and a stable spark
• Platinum pad on the ground electrode ensures long-term wear resistance
• 98% pure copper core assists in rapid heat removal to prevent overheating
• Pure alumina silicate ceramic insulator offers high dielectric strength and heat transfer
• Trivalent metal plating provides anti-corrosion and anti-seizing properties without the need for anti-seize
• Triple seals prevent combustion gas leakage
• Part Number: ILTR6A-8G
• Quantity: Box of 4

Fits select 1989-2016 Acura, Audi, Chevrolet, Dodge, Honda, Lexus, and more (2.0T).

NGK Iridium IX spark plugs are engineered for performance enthusiasts seeking improved ignitability, throttle response, and superior anti-fouling. The iridium alloy center electrode features an extremely high melting point, making it ideal for high-tech, high-performance engines. Designed with a fine wire center electrode and a tapered cut ground electrode, these plugs ensure consistent spark and better engine idling compared to standard nickel components.

• Fine wire iridium center electrode ensures high durability and a consistent, stable spark
• Tapered cut ground electrode minimizes quenching for improved starting and throttle response
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Iridium alloy construction is six times harder than platinum for extreme longevity
• Replaces OE nickel alloy spark plugs in modified or high-performance applications
• Includes 4 spark plugs per box
• Manufacturer Part Number: BKR6EIX-11

Fits select 1987-2011 Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, and Saturn models.

NGK V-Power spark plugs are engineered to provide improved ignitability and reliable performance over standard nickel plugs. The specialized design features a V-cut nickel alloy center electrode and a concave ground electrode, which moves the spark to the edge of the electrode to facilitate a quicker, more efficient burn. This results in faster starts, a smoother idle, and enhanced throttle response in OE applications.

• V-Cut Center Electrode: Increases ignitability by reducing quenching and directing the spark to the edge.
• Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring easy installation and removal without anti-seize.
• High-Grade Ceramic: Pure alumina silicate ceramic insulator provides superior dielectric strength and heat transfer.
• Copper Core: Aids in rapid heat removal to prevent pre-ignition.
• Corrugated Ribs: Prevents flashover to ensure consistent ignition.
• Triple Seals: Prevents combustion gas leakage for maintained cylinder compression.
• Quantity: Box of 4
• Part Number: TR4

NGK Iridium IX spark plugs (TR8IX) are engineered for the performance enthusiast looking for a significant upgrade over standard nickel alloy plugs. By utilizing a fine wire iridium center electrode, these plugs provide extreme ignitability, improved throttle response, and superior anti-fouling characteristics. The iridium alloy features an extremely high melting point, making it ideal for the high-temperature environments found in modern or modified engines.

• Enhanced Ignition: The fine wire iridium tip ensures a durable and consistent spark for better acceleration and fuel efficiency.
• Improved Combustion: Tapered cut ground electrode reduces quenching, facilitating faster flame kernel growth and improved starting and idling.
• Superior Durability: The iridium alloy center electrode is six times harder than platinum, offering exceptional service life.
• Corrosion Protection: Finished with trivalent metal plating for superior anti-corrosion and anti-seizing properties during installation and removal.
• Application: Recommended for modified or high-performance engines and as a premium upgrade to OE nickel alloy spark plugs.
• Manufacturer Part Number: TR8IX
• Quantity: Set of 4 spark plugs.

Fits 2006-2009 Cadillac STS-V and XLR-V.

NGK Iridium IX spark plugs are engineered for performance enthusiasts seeking improved throttle response and superior anti-fouling characteristics. The 0.6mm fine wire iridium center electrode is laser-welded for consistent spark and high durability, featuring a melting point significantly higher than platinum to withstand the intense heat of high-output engines. These plugs are an ideal upgrade for modified applications or as a premium replacement for OE nickel alloy plugs.

Each plug features a tapered cut ground electrode designed to reduce quenching, which improves starting, idling stability, and overall flame kernel expansion. The shells are treated with trivalent metal plating to provide long-lasting protection against corrosion and seizing in the cylinder head, ensuring easier removal during service intervals.

• Manufacturer Part Number: TR7IX (3689)
• Quantity: Box of 4
• Center Electrode: Fine wire iridium tip
• Ground Electrode: Tapered cut for improved ignitability
• Finish: Trivalent metal plating for anti-corrosion/anti-seize
• Application: Performance-tuned and modified engines

Fits select 1968-2015 Ford, Chevrolet, Cadillac, Aston Martin, Lincoln, Mazda, Mercury, Pontiac, and Rover models.

NGK Iridium IX spark plugs (TR6IX) are engineered for performance enthusiasts seeking improved throttle response, superior anti-fouling, and high-efficiency ignition. The 0.6mm fine-wire iridium center electrode provides a consistent spark while maintaining a melting point significantly higher than platinum, making it ideal for the high-heat environments found in modern and modified engines. The tapered cut ground electrode reduces quenching and improves starting and idling stability.

• Manufacturer Part Number: TR6IX
• Quantity: Box of 4 plugs
• Core Material: Iridium alloy center electrode is six times harder than platinum for extreme durability
• Ground Electrode: Tapered cut design for improved flame kernel expansion
• Finish: Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Recommended Use: High-performance or modified applications and OE nickel alloy upgrades

Fits select 2001-2004 Subaru Outback (H6-3.0L) models including VDC and L.L. Bean editions.

NGK V-Power spark plugs are engineered to provide reliable ignition performance and improved ignitability compared to standard nickel plugs. Designed specifically for original equipment applications, these plugs feature a unique V-cut nickel alloy center electrode and a concave ground electrode. This configuration concentrates the spark to the edge of the electrode where it can grow more quickly, resulting in faster starts, a smoother idle, and reduced quenching during the combustion process.

Built for durability in demanding engine environments, these plugs utilize a high-grade alumina silicate ceramic insulator for superior dielectric strength and optimal heat transfer. The trivalent metal plating provides a robust barrier against corrosion and seizing, ensuring the threads remain intact during future service intervals.

• V-Cut Center Electrode: Enhances ignitability and reduces quenching for more efficient combustion.
• Copper Core: Superior heat dissipation helps prevent pre-ignition and fouling.
• Trivalent Metal Plating: Eliminates the need for anti-seize during installation and prevents corrosion.
• Corrugated Ribs: Prevents flashover to ensure consistent spark delivery.
• Triple Seals: Gas-tight seal prevents combustion leakage.
• MPN: LFR6A-11 (Stock No. 3672)

Fits 2004-2017 Honda CRF250R and CRF250X (Base).

NGK Laser Iridium spark plugs represent the pinnacle of OE-engineered performance and longevity. These plugs feature a laser-welded iridium-tipped center electrode that is six times harder than platinum, providing a more stable spark and superior durability for high-revving off-road applications. To ensure even wear and a long service life, the ground electrode is equipped with a platinum pad, making them ideal for modern ignition systems.

• Part Number: IMR8C-9H
• Quantity: Box of 4
• Iridium Tip: Fine-wire center electrode for high durability and consistent ignition.
• Pure Alumina Silicate Ceramic: Provides superior insulator strength and improved heat transfer to prevent overheating.
• 98% Pure Copper Core: Facilitates rapid heat dissipation for reliable starting and engine protection.
• Trivalent Metal Plating: Offers elite anti-corrosion and anti-seizing properties without the need for additional lubricants.
• Triple Seals: Prevents combustion gas leakage for consistent cylinder pressure.

Vehicle Fitment

Fits 1986-1990 Kawasaki KX125 and 1984-1999 Yamaha YZ80 models.

NGK Racing spark plugs are engineered to withstand the extreme thermal and mechanical stresses of high-output racing engines. Featuring a B10EG heat range and specialized electrode configurations, these plugs ensure consistent ignitability and sharp throttle response under grueling track conditions. The copper core provides efficient heat dissipation to prevent pre-ignition, while the triple seals prevent combustion gas leakage to maintain cylinder compression.

• Manufacturer Part Number: B10EG
• Quantity: Box of 4
• Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties for reliable installation and removal.
• Pure Alumina Silicate Ceramic: High-grade insulator provides superior dielectric strength and better heat transfer.
• Copper Core: Deeply inserted copper aids in heat removal to prevent overheating the electrode.
• Corrugated Ribs: Prevents flashover and energy loss to ensure a strong spark.
• Triple Seals: Robust construction prevents gas leakage from the combustion chamber.

Fits select 1993-2020 models from Aprilia, Arctic Cat, Cannondale, Ducati, Harley-Davidson, Husqvarna, and Kawasaki.

NGK Iridium IX spark plugs are engineered for the performance enthusiast, providing a high-performance alternative to standard nickel alloy plugs. The center electrode features an iridium alloy fine-wire tip that is six times harder than platinum and has an extremely high melting point, making it ideal for the high-heat environments of modern high-performance engines. This design ensures consistent spark, improved throttle response, and exceptional anti-fouling characteristics.

Built to withstand demanding conditions, these plugs include a tapered cut ground electrode to improve flame expansion and reduce electrical quenching. The shell is finished with trivalent metal plating, providing superior anti-corrosion and anti-seizing properties to prevent the plug from sticking in the cylinder head over long service intervals.

• Part Number: CR9EIX
• Set of 4 spark plugs
• Fine wire iridium center electrode for extreme ignitability
• Tapered cut ground electrode for improved starting and idling
• Trivalent metal plating for anti-seizing and corrosion resistance
• Exceptional anti-fouling and high fuel efficiency

Fits select 1991-2020 BMW, Honda, and Victory motorcycles and vehicles, including BMW M5, Honda VTX1300/Fury, and Victory Cross Country/Vegas models.

NGK Standard spark plugs (DCPR6E) are engineered as a reliable OE-quality replacement, featuring nickel alloy electrodes for consistent performance. These plugs utilize a 98% pure copper core for superior heat dissipation and conductivity, which helps maintain stable operating temperatures across an ultra-wide heat range.

• Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring easy installation and removal without the need for anti-seize.
• High-Grade Alumina Silicate Ceramic: Creates a stronger insulator for optimal dielectric performance and efficient heat transfer.
• Triple Gasket Sealing: Precision-engineered to prevent combustion gas leakage and maintain cylinder compression.
• Corrugated Ribs: Integrated into the ceramic insulator to prevent electrical flashover and subsequent misfires.
• Solid Copper Core: Aids in rapid heat removal to prevent pre-ignition and plug fouling.

This package contains a box of 4 spark plugs, providing a complete ignition refresh for compatible multi-cylinder applications. Each unit is manufactured to exacting tolerances to meet or exceed original equipment specifications.

Fits select 1997-2006 Dodge Dakota, Ram 1500, Viper, and Jeep Cherokee, Grand Cherokee, and Wrangler models.

NGK V-Power spark plugs are engineered to improve ignitability and combustion efficiency over standard nickel plugs in OE applications. The technical centerpiece is the specialized V-cut nickel alloy center electrode. This design directs the spark to the edge of the electrode where it can grow more quickly, resulting in faster flame kernel expansion, more reliable cold starts, and a smoother idle under load.

Built for durability in demanding environments, these plugs feature NGK’s high-grade alumina silicate ceramic insulator for superior dielectric strength and heat transfer. The trivalent metal plating provides a sacrificial layer against corrosion and moisture, ensuring the plugs will not seize in the cylinder head over long service intervals. A pure copper core is utilized to effectively pull heat away from the combustion chamber, preventing pre-ignition and tip overheating.

• V-cut nickel alloy center electrode increases spark area and ignitability
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties
• Alumina silicate ceramic insulator provides optimal dielectric performance
• Corrugated ribs prevent voltage flashover that can cause misfires
• Triple gasket seals prevent combustion gas leakage
• Copper core aids in thermal management and heat removal
• Manufacturer Part Number: ZFR5N

Fits select 1990-2009 Kawasaki, KTM, Lamborghini, and Moto Guzzi models (detailed fitment below).

NGK Standard spark plugs are engineered as reliable OE-replacement components, delivering consistent ignition performance for specialty automotive and powersports applications. Each plug features a 98% pure copper core for superior heat dissipation and conductivity, allowing for an ultra-wide heat range that prevents both fouling and pre-ignition. The high-grade alumina silicate ceramic insulator provides high dielectric strength, while the corrugated ribs are designed to prevent flashover.

To ensure long-term durability and ease of maintenance, these plugs are treated with a Trivalent metal plating that offers exceptional anti-corrosion and anti-seizing properties, eliminating the need for anti-seize during installation. The internal construction uses a triple gasket sealing process to eliminate the possibility of combustion gas leakage through the housing.

• Manufacturer Part Number: DR9EA
• Core Material: 98% Pure Copper
• Insulator: Alumina Silicate Ceramic
• Finish: Trivalent Metal Plating
• Quantity: Box of 10
• Sealing: Triple gasket design
• Features: Corrugated ribs to prevent electrical flashover

Fits select 1982-2002 Husqvarna, Kawasaki, and Yamaha models (including CR250, WR250, WR360, KX250, KX500, IT200, WR500, YZ250, and YZ490).

NGK Racing spark plugs are engineered for extreme engine conditions where durability and high-heat resistance are critical. Designed to withstand the rigors of racing venues globally, the B8EG features a specialized center electrode configuration to optimize ignitability while maintaining structural integrity under intense thermal stress. These plugs utilize an insulator nose designed specifically to improve throttle response and prevent fouling during heavy use.

• Trivalent Metal Plating: Provides superior anti-corrosion and anti-seizing properties to prevent thread damage during installation or removal.
• Pure Alumina Silicate Ceramic Insulator: Offers high dielectric strength and efficient heat transfer.
• Corrugated Ribs: Prevents flashover to ensure consistent spark delivery.
• Copper Core: Aids in rapid heat removal to prevent pre-ignition and overheating.
• Triple Seals: Robust sealing design prevents combustion gas leakage.
• Part Number: B8EG
• Quantity: Box of 4

Fits 1991-1994 Jaguar XJS (Base, 2+2, and Classic Collection).

NGK V-Power spark plugs are engineered to provide enhanced ignitability and reliable performance for OE applications. Featuring a specialized V-cut nickel alloy center electrode and a concave ground electrode, these plugs focus the spark at the edge of the electrode to ensure quicker starts and a smoother idle. The core is constructed with copper to facilitate efficient heat removal, while high-grade alumina silicate ceramic provides a robust insulator for consistent dielectric performance.

• V-cut nickel alloy center electrode increases ignitability and reduces quenching
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties
• Pure alumina silicate ceramic insulator for high strength and optimal heat transfer
• Corrugated ribs design prevents flashover to ensure reliable ignition
• Triple seals prevent combustion gas leakage for consistent cylinder pressure
• Copper core aids in superior heat dissipation
• Manufacturer Part Number: BR7EF
• Quantity: Box of 10

Fits select 1987-2012 Gas Gas, Honda, Husqvarna, Polini, TM, and Yamaha models including CR125R, CR250R, YZ125, and MX-series motorcycles.

NGK Racing spark plugs (BR9EG) are engineered to withstand the thermal and mechanical stresses of professional racing environments. Designed for high-performance two-stroke engines, these plugs feature specialized electrode configurations to ensure consistent ignitability and durability under extreme cylinder pressures. The copper core aids in efficient heat removal, while the trivalent metal plating provides a robust barrier against corrosion and seizing, simplifying maintenance in the pits.

• Part Number: BR9EG
• Trivalent Metal Plating: Provides superior anti-corrosion and anti-seizing properties for easier installation and removal.
• Pure Alumina Silicate Ceramic: High-grade insulator provides superior strength and optimized heat transfer.
• Copper Core: Deeply inserted copper core offers a wide heat range for maximum heat dissipation.
• Corrugated Ribs: Specifically designed to prevent flashover and electrical leakage.
• Triple Seals: Prevents combustion gas leakage for consistent performance.
• Special Insulator Nose: Tailored configuration to improve throttle response and prevent fouling.

Fits select 1995-2013 Audi, BMW, Porsche, Volkswagen, Volvo, Bentley, Cadillac, Land Rover, Mini, Morgan, and Rolls-Royce models.

NGK Laser Platinum spark plugs are engineered to meet original equipment standards for high-ignitability and long-term durability. These multi-ground electrode plugs are designed specifically for vehicles where a distributorless ignition system requires even wear across the ground electrodes. The platinum pad on the ground electrode and a laser-welded platinum center electrode tip provide superior anti-fouling characteristics and improved fuel efficiency over standard nickel plugs.

Built with a 98% pure copper core for maximum heat dissipation, these plugs prevent overheating while the high-grade pure alumina ceramic insulator ensures reliable starts and electrical strength. The BKR6EQUP series is the ideal replacement for maintaining stable idling and lower emissions in high-performance European and domestic engines.

• Part Number: BKR6EQUP (Box of 4)
• Multi-ground electrode design for stable spark and even wear
• Laser-welded platinum center electrode tip
• 98% pure copper core aids in heat removal to prevent pre-ignition
• Pure alumina silicate ceramic insulator provides superior strength and heat transfer
• Corrugated ribs prevent flashover and triple seals prevent combustion gas leakage

Fits select 1973-2019 Aprilia, Arctic Cat, Cobra, Kawasaki, KTM, Moto-Ski, and Polaris models.

NGK Standard spark plugs are engineered as reliable OE replacement components, featuring a solid 98% pure copper core for superior heat dissipation and electrical conductivity. These plugs are built to withstand the rigorous demands of power sports and utility engines, utilizing a high-grade alumina silicate ceramic insulator for high dielectric strength and corrugated ribs to prevent flashover during operation.

To ensure a precise seal and consistent performance, each plug is manufactured with a triple gasket sealing process that prevents combustion gas leakage. The shell is finished with trivalent metal plating, providing long-term protection against corrosion and seizing, which simplifies removal even after extended service intervals.

• Manufacturer Part Number: BR9ES (5422)
• Terminal Type: Solid
• 98% Pure copper core for improved heat transfer and wide heat ranges
• Triple gasket seals prevent combustion gas bypass
• Alumina silicate ceramic insulator provides superior dielectric strength
• Trivalent metal plating prevents seizing and corrosion in the cylinder head
• Corrugated ribs eliminate spark flashover