NGK Ruthenium HX Spark Plugs LFR5AHX Set of 6

NGK Ruthenium HX is designed for newer engines which demand high ignitability. Projected Square Platinum Electrode (PSPE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.

FEATURES
* DFE & PSPE tip designs
* Superior Oxidation Resistance
* Advanced high-ignitablity technology
* Enhanced blistering/anti peeling