To withstand the severe conditions that occur in racing engines, NGK Racing Spark Plugs feature electrode materials and configurations as follows:
- Electrode materials – Many use precious metals such as platinum or gold/palladium for greater durability and lower voltage requirements.
- Electrode configurations – Fine-wire center electrodes provide better sparking and enhanced ignitability. Fine-wire ground electrodes further improve the ignitability of the plug.
- Ensulator configurations – Special configurations are used for the insulator noses to improve throttle response.
- 14mm x 3/4 in. Reach
- 5/8 in. Hex
- Gasket seat
- V-groove center electrode
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