Maintain the peak performance of your Ford-based MerCruiser engine with this 10-pack of Quicksilver Spark Plugs. Engineered as a high-quality replacement for NGK AR6FS, these plugs provide superior anti-corrosion properties and efficient heat transfer. Regular replacement of spark plugs ensures uniform performance, improved fuel economy, and reliable starting for your V8 engine.
- Direct replacement for engines requiring NGK AR6FS
- Fits MerCruiser 215, 225, 233, 255, and 888 Ford V8 engines
- Constructed for long life and optimum ignition performance
- Pure alumina silicate ceramic insulator reduces breakage
- Convenient 10-pack for complete engine service and spares
