NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services. NGK Ruthenium HX™ spark plugs are the best in class plug on the market for today’s modern vehicles. NGK's patented Ruthenium technology offers the highest performance and life expectancy of any Aftermarket spark plug line. INFINITI EX37 2013, FX37 2013, G37 2013-2008, M37 2013-2011, Q40 2015, Q50 2015-2014, Q60 2015, Q70 2017-2014, Q70L 2017-2015, QX50 2017-2014, QX70 2017-2014, NISSAN 370Z 2017-2009, GT-R 2017-2009