【Perfect Fit】Iridium Spark Plugs Compatible with Lexus GS300 2006 V6 3.0L, GS350 2007-2011 V6 3.5L, GS450h 2007-2011 V6 3.5L, IS250 2006-2015 V6 2.5L, IS300/RC300 2016-2017 V6 3.5L, IS350 2006-2017 V6 3.5L, RC350 2015-2017 V6 3.5L, GS350 2013-2015 V6 3.5L; Compatible with Lexus GS460 2008-2011 V8 4.6L, IS F 2008-2014 V8 5.0L, LS460 2007-2013 V8 4.6L, LS600h 2008-2013 V8 5.0L. For more information about the fit, please check the picture or detail page. 【OE Replacement】Direct replacement for OE numbers 6858, DFH6B11A, 1UXP18110, BY483DFH6B. These Iridium Spark Plugs meet or exceed OEM standards for form, fit, and function. Made from high-temperature resistant materials, they withstand extreme thermal stress, ensuring durability and reliability. 【Pre-Gapped Iridium Spark Plug】Each Iridium Spark Plug is pre-gapped to 1.1 mm (0.043 in), ensuring optimal ignition performance and hassle-free installation. For additional specifications such as thread size, hex size, and reach, please refer to the product images for complete details. 【Iridium Design】Crafted with precious iridium metal, these Iridium Spark Plugs offer stronger ignition performance, faster cold starts. The wear-resistant design enhances fuel efficiency, reduces carbon buildup, and extends engine life. Ideal for use in automobiles, trucks, SUVs, motorcycles, marine engines, and industrial equipment, these Iridium Spark Plugs are engineered to maximize engine power and improve overall vehicle performance. 【Customer Service & Quality Assurance】At SYKRSS, we prioritize your satisfaction. If you encounter any issues with our iridium Iridium Spark Plugs, contact us directly, and we will respond within 24 hours. Backed by a 1-year repair and replacement service, our Iridium Spark Plugs are manufactured by a professional automotive component brand with a mature production line. Choose SYKRSS for high-quality, reliable performance, and exceptional customer support. SYKRSS 6858 Iridium Iridium Spark Plugs 6 Pack - Compatible with Lexus IS250 2006-2015,IS300 2016-2017,IS350 2006-2017, GS300 2006,GS350 2007-2011 2013-2015,GS450h 2007-2011, RC300 2016-2017,RC350 2015-2017