Spark Plugs Ruthenium HX™ by NGK®. NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket NGK Ruthenium HX™. The ultimate high ignitability spark plugs from NGK. Modern engines demand spark plugs that provide top performance while enduring the most severe conditions.
Features:
- DFE & PSPE™ tip designs
- Superior oxidation resistance
- Advanced high-ignitability technology
- Enhanced blistering/anti-peeling