NGK Racing Spark Plug Box of 4 (R5670-5)
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.
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
- Special insulator nose configurations improve throttle response
- Corrugated ribs prevent flashover
- Copper core aids in heat removal
- Triple seals prevent leakage
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1948-1964 | Harley-Davidson | FL | Base |
| 1971-1974 | Harley-Davidson | FX Super Glide | Base |
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