NGK (4492) R6918B-8 Racing Spark Plug, Pack of 1
[Product Information]
- Fine-wire center and ground electrodes provide better sparking and enhanced ignitability
- Made to withstand the severe conditions that occur in racing engines
- Zinc dipped shell prevents corrosion while the triple gasket seal eliminates combustion gas leakage
- Special configurations are used for the insulator noses to improve throttle response and prevent fouling with corrugated ribs on insulator to prevent flashover
- Many use precious metals such as platinum or gold/palladium for greater durability and lower voltage requirements
