[Vehicle Fitment]: Compatible with Lexus GS200t/IS200t 2016-2017, GS300/IS300/NX300 2018-2019, NX200t 2015-2017, RC200t 2016, RC300 2018-2020---L4 2.0L. [Reference Number]: UF916, GN10741, 9091902269, 91961, DILFR7K9G. [Iridium spark plug]: Iridium is a type of refined alloy which is highly suitable to be used as the materials of the central electrode in a spark plug. It extends the life of the spark plug nearly threefold, ensures a more stable idle speed of the engine, and delivers a super performance to the engine with improved fuel efficiency, reduced emissions and faster starting up..
