{"product_id":"ngk-iridium-platinum-spark-plug-box-of-4-silzkr7b11","title":"NGK Iridium\/Platinum Spark Plug Box of 4 (SILZKR7B11)","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e9723\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 87295197233\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eNGK Iridium Spark Plugs (SILZKR7B11) – Box of 4\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe NGK Iridium Spark Plugs (SILZKR7B11) are a high-performance ignition upgrade designed for a wide range of vehicles. Each plug features a fine-wire iridium center electrode and a platinum pad or fine-wire ground electrode for superior spark performance, durability, and consistent combustion. The high-grade alumina ceramic insulator and 98% pure copper core provide excellent heat dissipation and resistance to fouling, while the trivalent metal plating offers superior corrosion and seizure resistance. Pre-gapped at approximately 0.044\" (with minor adjustment recommended for some applications), these plugs deliver reliable starts, smoother idling, improved throttle response, and better fuel efficiency. Sold as a box of 4, they are an excellent OE-style replacement or performance upgrade for daily drivers and modified vehicles alike. Trusted by manufacturers and enthusiasts worldwide for over 80 years.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIridium Center Electrode\u003c\/strong\u003e – Fine-wire design for stronger, more focused spark and long life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatinum Ground Electrode\u003c\/strong\u003e – Promotes even wear in distributorless ignition systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Alumina Ceramic Insulator\u003c\/strong\u003e – Excellent heat resistance and electrical insulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e98% Pure Copper Core\u003c\/strong\u003e – Superior heat dissipation for reliable starts and performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrivalent Metal Plating\u003c\/strong\u003e – Corrosion and seizure resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox of 4\u003c\/strong\u003e – Complete set for many 4-cylinder applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e9723\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eNGK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eIridium Spark Plugs (SILZKR7B11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eBox of 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGap (Pre-gapped)\u003c\/td\u003e\n\u003ctd\u003e0.044\" (may require slight adjustment for specific vehicles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eNGK Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBox of 4 NGK Iridium Spark Plugs (SILZKR7B11)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for a wide range of vehicles including Chrysler, Dodge, Hyundai, Jeep, Kia, Ram, Subaru, and Volkswagen models\u003c\/li\u003e\n\u003cli\u003eExcellent choice for daily driving, performance, and modified engines\u003c\/li\u003e\n\u003cli\u003eGap adjustment may be required for certain applications (e.g., some Subaru models recommend 0.039\"–0.043\")\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReplace spark plugs following factory service intervals or when tuning\u003c\/li\u003e\n\u003cli\u003eUse anti-seize on threads and torque to manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eEstimated time: 30–90 minutes depending on vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel \/ Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2017\u003c\/td\u003e\n\u003ctd\u003eChrysler\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003eC, Limited, LX, S, Touring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2020\u003c\/td\u003e\n\u003ctd\u003eChrysler\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003eBase, C, C Luxury, C Platinum, Limited, S, Touring, Touring L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2016\u003c\/td\u003e\n\u003ctd\u003eChrysler\u003c\/td\u003e\n\u003ctd\u003eTown \u0026amp; Country\u003c\/td\u003e\n\u003ctd\u003eLimited, Touring, S, LX, Limited Platinum, 30th Anniversary Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eAvenger\u003c\/td\u003e\n\u003ctd\u003eExpress, Heat, Lux, Mainstreet, R\/T, SE, SXT, SXT Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2020\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eChallenger\u003c\/td\u003e\n\u003ctd\u003eGT, Rallye Redline, SE, SXT, SXT Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2020\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eCharger\u003c\/td\u003e\n\u003ctd\u003eGT, Pursuit, SE, SXT, SXT Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eDurango\u003c\/td\u003e\n\u003ctd\u003eCitadel, Crew, Express, Heat, Limited, Rallye, Special Service, SXT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2020\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eGrand Caravan\u003c\/td\u003e\n\u003ctd\u003eAmerican Value Package, C\/V, Crew, Express, GT, Mainstreet, R\/T, SE, SE Plus, SXT, SXT 30th Anniversary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2019\u003c\/td\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eJourney\u003c\/td\u003e\n\u003ctd\u003eCrew, Crossroad, GT, Limited, Lux, Mainstreet, R\/T, SE, SXT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2017\u003c\/td\u003e\n\u003ctd\u003eHyundai\u003c\/td\u003e\n\u003ctd\u003eAzera\u003c\/td\u003e\n\u003ctd\u003eBase, Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2016\u003c\/td\u003e\n\u003ctd\u003eHyundai\u003c\/td\u003e\n\u003ctd\u003eElantra\u003c\/td\u003e\n\u003ctd\u003eGLS, Limited, SE, Sport, Value Edition, Coupe GS\/SE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2020\u003c\/td\u003e\n\u003ctd\u003eHyundai\u003c\/td\u003e\n\u003ctd\u003eElantra GT\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2016\u003c\/td\u003e\n\u003ctd\u003eHyundai\u003c\/td\u003e\n\u003ctd\u003eGenesis Coupe\u003c\/td\u003e\n\u003ctd\u003e3.8, 3.8 Grand Touring, 3.8 R-Spec, 3.8 Track, 3.8 Ultimate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2018\u003c\/td\u003e\n\u003ctd\u003eHyundai\u003c\/td\u003e\n\u003ctd\u003eSanta Fe\u003c\/td\u003e\n\u003ctd\u003eGLS, Limited, SE, Limited Ultimate, SE Ultimate, XL Limited Ultimate, XL SE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2020\u003c\/td\u003e\n\u003ctd\u003eHyundai\u003c\/td\u003e\n\u003ctd\u003eTucson\u003c\/td\u003e\n\u003ctd\u003eGLS, SE, SEL, SEL Plus, Value Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003e2.5i Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2020\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eCherokee\u003c\/td\u003e\n\u003ctd\u003e75th Anniversary, Altitude, High Altitude, Latitude, Limited, Overland, Sport, Trailhawk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eGrand Cherokee\u003c\/td\u003e\n\u003ctd\u003eLaredo, Limited, Overland, Overland Summit, Summit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2018\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler \/ Wrangler JK\u003c\/td\u003e\n\u003ctd\u003e75th Anniversary, Rubicon, Sahara, Sport, Sport S, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2018\u003c\/td\u003e\n\u003ctd\u003eKia\u003c\/td\u003e\n\u003ctd\u003eCadenza\u003c\/td\u003e\n\u003ctd\u003eBase, Limited, Premium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2018\u003c\/td\u003e\n\u003ctd\u003eKia\u003c\/td\u003e\n\u003ctd\u003eForte \/ Forte Koup \/ Forte5\u003c\/td\u003e\n\u003ctd\u003eEX, LX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2018\u003c\/td\u003e\n\u003ctd\u003eKia\u003c\/td\u003e\n\u003ctd\u003eSedona\u003c\/td\u003e\n\u003ctd\u003eEX, L, Limited, LX, SX, SX Limited, SXL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2018\u003c\/td\u003e\n\u003ctd\u003eKia\u003c\/td\u003e\n\u003ctd\u003eSorento\u003c\/td\u003e\n\u003ctd\u003eEX, Limited, LX, SX, SX Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2019\u003c\/td\u003e\n\u003ctd\u003eKia\u003c\/td\u003e\n\u003ctd\u003eSoul\u003c\/td\u003e\n\u003ctd\u003e!, +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2018\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e1500 \/ 1500 Classic\u003c\/td\u003e\n\u003ctd\u003eBig Horn, Express, HFE, Laramie, Lone Star, Outdoorsman, Rebel, SLT, Sport, Tradesman, Warlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2015\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003eC\/V\u003c\/td\u003e\n\u003ctd\u003eBase, Tradesman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2020\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003eProMaster 1500\/2500\/3500\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eVolkswagen\u003c\/td\u003e\n\u003ctd\u003eRoutan\u003c\/td\u003e\n\u003ctd\u003eS, SE, SEL, SEL Premium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose NGK Spark Plugs?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLeading OE supplier with over 80 years of expertise in spark plug technology\u003c\/li\u003e\n\u003cli\u003eSuperior iridium and platinum construction for long life and consistent performance\u003c\/li\u003e\n\u003cli\u003eTrusted by manufacturers and enthusiasts for reliability and quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Are these plugs pre-gapped? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, pre-gapped at approximately 0.044\". Slight adjustment may be needed for certain applications (e.g., some Subaru models recommend 0.039\"–0.043\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How many plugs are included? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This is a box of 4 spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is professional installation recommended? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, proper gapping, torquing, and anti-seize application are important for optimal performance and engine safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e Ground UPS or FedEx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock – ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure NGK retail packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":40133609783375,"sku":"NGK9723","price":138.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/HKS_Super_Fire_Racing_spark_plug.png?v=1776720208","url":"https:\/\/www.blackopsautoworks.com\/products\/ngk-iridium-platinum-spark-plug-box-of-4-silzkr7b11","provider":"Black Ops Auto Works","version":"1.0","type":"link"}