NGK BPR4ES SPARK PLUG RESISTOR (10) NGK spark plugs push the limits of performance and innovation, bringing the most advanced technology to today’s high-efficiency engines. From the high-tech Ruthenium HX™ to the industry standard OE-style spark plugs, NGK drives the future of spark plug engineering. Use the Official NGK fitment guide below to find the correct part for your ride. NGK-PART-FINDER