TR4BHX NGK Ruthenium HX Spark Plug, 1-pk v542985-v537284-v537151-v542986-v542987-v542988-v542989-v542990-v544309-v544310-v544311-v544550-v544551-v544552-v544553-v544658-v544659-v544660-v544661-v544662-v544663-v534659-v535580-v536184-v655392

TR4BHX NGK Ruthenium HX Spark Plug, 1-pk v542985-v537284-v537151-v542986-v542987-v542988-v542989-v542990-v544309-v544310-v544311-v544550-v544551-v544552-v544553-v544658-v544659-v544660-v544661-v544662-v544663-v534659-v535580-v536184-v655392NGK Ruthenium HX Spark Plugs provide maximum durability and performance where greater ignition efficiency is demanded Patented high ignitability DFE and PSPE tip designs provide the most efficient and complete fuel burn of any aftermarket plug, resulting in quicker throttle response, smoother idle and better cold starts Alloy technology provides superior oxidation resistance, delivering unparalleled durability and outstanding service life Includes 1

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