Vehicle Information 2: The UF-549 spark plugs with ignition coil are compatible with 2009-2013 Infiniti FX50 V8 5.0L; Compatible with 2011-2013 Infiniti M56 V8 5.6L; Compatible with 2014-2019 Infiniti Q70 V8 5.6L; Compatible with 2015-2019 Infiniti Q70L V8 5.6L; Compatible with 2014-2017 Infiniti QX60 L4 2.5L; Compatible with 2014-2017 Infiniti QX70 V8 5.0L
Iridium Spark Plug: Our spark plugs feature a fine-wire iridium electrode for enhanced ignitability and a longer lifespan—90,000+ km under normal conditions. With excellent heat resistance and electrical insulation, they improve combustion efficiency and ensure smooth engine starts and better fuel economy
Installation & Support: Engineered for a direct fit, this kit installs easily with no special tools or programming required. Every set is tested before shipping and backed by a 12-month warranty