NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S)

If you're looking for a reliable and high-performance spark plug, the NGK Ruthenium HX Spark Plug (FR6BHX-S) is an excellent choice. This spark plug is designed to deliver optimal ignition efficiency, making it ideal for a wide range of vehicles and driving conditions.The NGK Ruthenium HX Spark Plug is crafted with advanced technology, including a ruthenium alloy that enhances durability and heat resistance. Its unique design includes a tapered cut ground electrode, which maximizes ignitability and improves fuel efficiency.This spark plug is also equipped with NGK's exclusive "V-groove" technology, which offers superior ignitability and reduces quenching. The V-groove also enhances the overall performance of the spark plug, resulting in a smoother and more reliable engine operation.Whether you're a performance enthusiast or just looking to improve the efficiency of your daily driver, the NGK Ruthenium HX Spark Plug is a top-of-the-line option. And with this box of four spark plugs, yo