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 2011 BMW 535i GT xDrive

2011 BMW 535i GT xDrive 2011 BMW 535i xDrive 2009

1987 Dodge Colt 1978

2010 Mercedes-Benz SLK230 1998

2004 Toyota Tercel 1995

2023 Dodge Magnum 2006

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 2011 BMW 535i GT xDriveNGK 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