Fits select 1988-2020 Acura, BMW, Chrysler, Dodge, Honda, Hyundai, Isuzu, Jeep, Kia, and Mazda models.

NGK Iridium IX spark plugs (ZFR5FIX-11) are engineered for performance enthusiasts, delivering extreme ignitability and superior anti-fouling compared to standard nickel alloy plugs. The center electrode features a fine-wire iridium tip that is six times harder than platinum, providing exceptional durability and a high melting point for modern high-heat engines. A tapered cut ground electrode improves throttle response, starting, and idling by reducing quenching.

• Iridium fine-wire center electrode: Provides high durability and a consistently stable spark for improved acceleration.
• Advanced Construction: Pure alumina silicate ceramic insulator offers superior strength and optimized heat transfer.
• Corrosion Resistance: Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.
• Internal Sealing: Triple seals prevent combustion gas leakage to maintain engine compression.
• Heat Management: Integrated copper core assists in rapid heat removal to prevent pre-ignition and fouling.
• Part Number: ZFR5FIX-11 (Stock No. 2477)

This set includes four (4) spark plugs, ideal for high-performance applications or as an upgrade to factory OE nickel alloy plugs.

Fits select 2006-2020 Honda and Yamaha motorcycles and scooters, including CBR500R, Rebel 500, and FJR1300 models.

NGK Standard spark plugs are engineered as reliable OE replacements for riders seeking consistent ignition performance and a precise fit. These plugs utilize a 98% pure copper core for superior heat dissipation and conductivity, helping to prevent pre-ignition and fouling across a wide heat range. The high-grade alumina silicate ceramic insulator provides high dielectric strength and optimized heat transfer, while integrated corrugated ribs prevent electrical flashover.

Each plug features trivalent metal plating, providing a barrier against corrosion and seizing in the cylinder head without the need for anti-seize during installation. The triple gasket sealing process prevents combustion gas leakage, ensuring stable compression and engine efficiency. These plugs are manufactured to exact tolerances to maintain factory performance levels.

• 98% pure copper core for enhanced heat removal
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• High-grade alumina silicate ceramic insulator for dielectric strength
• Corrugated ribs prevent spark flashover and misfires
• Triple gasket seal eliminates combustion gas leakage
• Part Number: CPR8EA-9
• Quantity: Box of 4

Fits select 1992-2003 Audi (100, 90, A4, A6, Cabriolet), Mercedes-Benz (C230), and Volkswagen (Beetle, Golf, Jetta) models.

NGK Standard spark plugs (BKUR6ET-10) are an OE-grade ignition solution engineered to maintain the performance and reliability of your vehicle's engine. Featuring a solid 98% pure copper core, these plugs provide superior heat dissipation and electrical conductivity across an ultra-wide heat range. This high-conductivity core is paired with NGK's high-grade alumina silicate ceramic insulator, which provides exceptional dielectric strength and heat transfer while corrugated ribs prevent electrical flashover.

• Trivalent Metal Plating: Features superior anti-corrosion and anti-seizing properties, ensuring easier installation and removal without the need for additional lubricants.
• Triple Gasket Seal: Specialized sealing prevents combustion gas leakage to maintain consistent cylinder compression.
• Pure Copper Core: Aids in rapid heat removal to prevent pre-ignition and fouling.
• OE-Specific Design: Manufactured to precise tolerances for compatibility with factory ignition systems in Audi, Mercedes-Benz, and Volkswagen applications.

Technical Specifications:
Manufacturer Part Number: BKUR6ET-10
Plug Series: NGK Standard / Copper Core
Quantity: Box of 4

Fits select 1991-2019 Aston Martin, Audi, BMW, and Polaris models (2.0T).

NGK Iridium IX spark plugs are engineered for the performance enthusiast, providing improved throttle response and superior anti-fouling characteristics. The heart of this plug is the fine-wire iridium center electrode, which is six times harder than platinum and features an extremely high melting point to withstand the high temperatures of modern forced-induction and high-compression engines. The tapered-cut ground electrode reduces quenching, ensuring a more consistent spark and improved starting performance.

• Precision Ignite: 0.6mm fine wire iridium tip ensures high durability and a consistently stable spark.
• Advanced Materials: Iridium alloy center electrode offers superior heat resistance and electrical conductivity.
• Corrosion Protection: Trivalent metal plating provides excellent anti-corrosion and anti-seizing properties, eliminating the need for anti-seize during installation in most applications.
• Performance Design: Tapered cut ground electrode minimizes flame quenching for better idling and acceleration.
• Specifications: Manufacturer Part Number BKR7EIX; Sold as a box of 4 spark plugs.

NGK Iridium IX spark plugs (BKR9EIX) are engineered for high-performance and modified engines requiring extreme ignitability and heat resistance. The fine-wire iridium center electrode provides a consistent spark while requiring less voltage, making these an ideal upgrade over standard nickel alloy plugs for improved throttle response and idle stability.

Built to withstand the rigors of performance driving, the iridium alloy center electrode features a melting point significantly higher than platinum, ensuring durability under high-stress conditions. The tapered-cut ground electrode reduces quenching and improves flame kernel expansion for more efficient combustion and better starting.

• Manufacturer Part Number: BKR9EIX
• Series: Iridium IX
• Quantity: Box of 4
• Center Electrode: Fine-wire iridium tip for superior durability and spark consistency
• Ground Electrode: Tapered cut to improve starting, idling, and throttle response
• Plating: Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Durability: Iridium material is six times harder than platinum for extended service life and anti-fouling performance

Fits select 1955-1994 Ford and Dodge vehicles, including Bronco, F-Series, E-Series, and Ram 3500. These NGK V-Power spark plugs are engineered to improve ignitability and performance over standard nickel plugs. The specialized V-cut nickel alloy center electrode and concave ground electrode focus the spark to the edge of the electrode, where it can more easily ignite the air-fuel mixture for quicker starts and a smoother idle.

• Manufacturer Part Number: WR5
• Quantity: Box of 4
• V-cut center electrode lowers spark voltage requirements and improves ignitability
• High-grade alumina silicate ceramic insulator for superior dielectric strength and heat transfer
• Trivalent metal plating provides excellent anti-corrosion and anti-seizing properties
• Copper core aids in efficient heat removal to prevent pre-ignition
• Corrugated ribs prevent flashover, while triple seals prevent combustion gas leakage

Fits select 1985-2017 Aston Martin, Audi, Buick, Cadillac, and Chevrolet models.

NGK V-Power spark plugs are designed to improve ignitability and performance beyond standard nickel-style plugs. The TR5 features a specialized V-cut nickel alloy center electrode and a concave ground electrode, which move the spark to the outer edge of the electrode. This design allows the flame kernel to expand more rapidly and efficiently, resulting in quicker cold starts, a smoother idle, and reduced quenching during high-demand operation.

Built to handle the thermal and electrical rigors of OE applications, these plugs utilize high-grade alumina silicate ceramic for superior insulation and a copper core for maximum heat dissipation. The trivalent metal plating eliminates the need for anti-seize during installation by providing inherent corrosion resistance.

• V-cut nickel alloy center electrode increases spark efficiency
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• High-grade alumina silicate ceramic insulator for optimal dielectric performance
• Integrated copper core aids in rapid heat removal
• Corrugated ribs and triple seals prevent flashover and combustion gas leakage
• Manufacturer Part Number: TR5
• Quantity: Set of 4 plugs

Fits select 1982-1998 Aston Martin Virage, Morgan 4/4, Saab 900/9000, and Toyota Supra Turbo.

NGK Standard spark plugs (BCPR6ES) are a reliable OE-replacement solution designed to maintain consistent ignition and engine performance. These traditional nickel-alloy plugs are engineered for specific original equipment applications, providing a balance of durability and conductivity. The 98% pure copper core ensures superior heat dissipation and electrical conductivity, preventing the overheating that can lead to pre-ignition.

Every plug features NGK's high-grade alumina silicate ceramic insulator for dielectric strength and trivalent metal plating to prevent corrosion and seizing in the cylinder head—eliminating the need for anti-seize during installation. Triple gasket seals are utilized to prevent combustion gas leakage, ensuring full compression is maintained.

• Manufacturer Part Number: BCPR6ES
• 98% pure copper core for enhanced heat removal and conductivity
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Pure alumina silicate ceramic insulator offers high strength and better heat transfer
• Triple gasket seals prevent combustion gas leakage
• Corrugated ribs design helps prevent flashover
• Sold as a box of 4 spark plugs

Fits select 1984-2009 Bentley, Mercedes-Benz, Jeep, Chevrolet, Dodge, Geo, Hyundai, Jaguar, Kia, Lexus, Mazda, Mercury, Nissan, Oldsmobile, and Peugeot models.

NGK Standard spark plugs (BKR5ES) are engineered as reliable OE-replacement components, designed to maintain engine efficiency and consistent ignition. These plugs feature a solid 98% pure copper core for superior heat dissipation and electrical conductivity, allowing for ultra-wide heat ranges. The high-grade alumina silicate ceramic insulator provides high dielectric strength and heat transfer, while the trivalent metal plating on the threads ensures anti-corrosion and anti-seizing protection for easier installation and removal.

• Copper Core: 98% pure copper core aids in heat removal and prevents overheating.
• Trivalent Metal Plating: Superior anti-corrosion and anti-seizing properties; no anti-seize compound required.
• Triple Gasket Seal: Prevents combustion gas leakage to maintain cylinder pressure.
• Corrugated Ribs: Prevents electrical flashover between the terminal and housing.
• Insulator: Pure alumina silicate ceramic provides superior strength and thermal stability.

Technical Specifications:

• Part Number: BKR5ES
• Manufacturer: NGK
• Series: Standard
• Quantity: Box of 4
• Electrode Material: Nickel Alloy

Fits select 1998-2017 Chrysler, Dodge, Jeep, SRT, and Volkswagen models. This set of NGK Iridium IX spark plugs is engineered for performance enthusiasts seeking improved throttle response, superior ignitability, and high-efficiency combustion. Featuring an ultra-fine 0.6mm iridium center electrode, these plugs provide a consistent spark and are six times harder than platinum, ensuring long-term durability in high-heat environments.

The tapered-cut ground electrode reduces quenching and improves flame kernel growth, which helps stabilize idling and enhances starting performance. Each plug is treated with Trivalent metal plating to provide superior anti-corrosion and anti-seizing properties, making them ideal for both high-performance applications and as a significant upgrade over standard OE nickel alloy plugs.

• Center Electrode Material: Fine wire iridium for extreme durability and melting point
• Ground Electrode: Tapered cut to improve ignitability and minimize quenching
• Anti-Corrosion: Trivalent metal plating prevents seizing in the cylinder head
• Insulator: High-grade alumina silicate ceramic for better heat transfer and electrical insulation
• Manufacturer Part Number: LZTR5AIX-13
• Quantity: Box of 4

Fits select 1970-2017 Aprilia, Arctic Cat, ATK, Benelli, BMW, Honda, Husqvarna, Kawasaki, and KTM motorcycles and ATVs.

NGK Standard spark plugs are a proven OE cornerstone, engineered to provide reliable performance and a precise fit for a wide range of vintage and modern engines. These plugs feature a solid 98% pure copper core to ensure superior heat dissipation and conductivity, preventing the overheating common in high-stress applications. The high-grade alumina silicate ceramic insulator offers high dielectric strength, while the corrugated rib design prevents electrical flashover for consistent ignition.

• Part Number: D8EA
• Quantity: Box of 10 plugs
• Core Material: 98% Pure copper core for superior heat dissipation
• Finish: Trivalent metal plating for anti-corrosion and anti-seizing protection
• Sealing: Triple gasket sealing process prevents combustion gas leakage
• Insulator: High-grade alumina silicate ceramic for optimal dielectric performance