NGK 2891 Spark Plug

• Autolite 72
• Autolite AR72
• NGK 2891
• Harley Davidson HD3-4
• Champion Spark Plug J63Y
• Champion Spark Plug 266
• Motorcraft A12
• NGK R56707
• Harley Davidson HD34
• NGK R5670-7

• COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
• DESIGNED FOR RACING: Conventional nickel alloy center electrode with V-groove provides consistent performance
• NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
• SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
• TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
• NGK Racing spark plugs are designed with extreme use in mind and meant to withstand the most grueling racing conditions. NGK Spark Plugs have been powering racing champions and can be found in every racing venue throughout the world. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability. NGK Racing plugs bring ultra high performance in a variety of heat ranges. Special configurations are used for a wide variety of racing applications.
• RECOMMENDED USAGE: Racing use only, featuring special configurations and designs to ensure durability and ignitability

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