{"product_id":"dr9eix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","title":"DR9EIX NGK Iridium Spark Plug | Genuine NGK Spark Plug","description":"\u003ch2\u003e🔧 Product Description\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNGK Iridium Spark Plug – Part Number: DR9EIX\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIridium NGK spark plugs offer a longer service life than a standard nickel-tipped spark plug: while nickel-alloy plugs offer a service life of roughly 20,000-40,000km, NGK Iridium IX spark plugs offer a service life of up to 60,000km, so fewer replacements are needed over time despite the higher initial cost.\u003c\/p\u003e\u003cp\u003ePrecious-metal spark plugs like the NGK Iridium IX also offer higher ignitability, achieved with an exposed fine-tip centre electrode that promotes superior flame growth compared with a standard spark plug. Iridium has a much higher melting point (2410°C) than nickel (1453°C), allowing the centre electrode diameter to be reduced from 2.5mm to 0.6mm – a smaller electrode mass that reduces the impedance to flame progress, helping acceleration, fuel consumption and idle quality.\u003c\/p\u003e\u003ch2\u003e⚙️ Key Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFine iridium-tipped centre electrode for a slow wear rate and stable idle\u003c\/li\u003e\n\u003cli\u003eLonger service life than standard nickel plugs\u003c\/li\u003e\n\u003cli\u003eTrivalent metal plating provides superior anti-corrosion and anti-seizing properties\u003c\/li\u003e\n\u003cli\u003eCorrugated ribs reduce the risk of flashover\u003c\/li\u003e\n\u003cli\u003ePure alumina silicate ceramic insulator, providing superior strength and better heat transfer\u003c\/li\u003e\n\u003cli\u003eCopper core aids in heat removal\u003c\/li\u003e\n\u003cli\u003eTriple seals prevent leakage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e📏 Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNGK stock number: 4772\u003c\/li\u003e\n\u003cli\u003eThread: 12 mm\u003c\/li\u003e\n\u003cli\u003eReach: 19 mm (3\/4 in)\u003c\/li\u003e\n\u003cli\u003eHex: 18 mm\u003c\/li\u003e\n\u003cli\u003eSeat: Gasket\u003c\/li\u003e\n\u003cli\u003eTerminal: Threaded stud\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e🚘 Application\u003c\/h2\u003e\u003cp\u003eListed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and automotive vehicles. The gap is not the same on all of them – the chart lists between 0.5 mm and 1.0 mm depending on the engine, so check the line for yours.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBimota TESI 1 (850) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eDucati 888 SUPERBIKE (888, 1992-1990) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eDucati 851 SPORT (850, 1992-1990) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eDucati 750 - 4-VALVE (750, 1998-1997) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eDucati 748 SUPERBIKE - (EFI) (748, 1997) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eHonda CB900C (900, 1981-1980) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eHonda CB900F (900, 1981) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki ZX1000-A - NINJA (1000, 1987) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki ZR750-C (750, 1992-1991) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki ZR750-H (750, 2005-2001) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki ZL600-A - ELIMINATOR (600, 1987-1986) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki ZX600-A - NINJA (600, 1987-1985) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki ZX600-B - NINJA (600, 1987) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki ZX600-C - NINJA (600, 1997-1988) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki ZR550-B (550, 1991-1990) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EN500 - VULCAN 500 LTD (500, 2009-2008) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EN500-A - VULCAN (500, 1996-1990) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EN500-C - VULCAN LTD (500, 2007-1996) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EX500 - NINJA (500, 2009-1997) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EX500-A (500, 1993-1987) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EX500-D - NINJA (500, 2006-1997) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EX500-D - NINJA (500, 1996-1994) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EN450 (450, 1986-1985) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki EN450 (450, 1990-1988) – Motorcycle\u003c\/li\u003e\n\u003cli\u003eKawasaki KZ305-A (305, 1982-1981) – Motorcycle\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThat is the 25 most common of 43 applications NGK's charts list for this plug – ask us to check yours.\u003c\/p\u003e\u003ch2\u003e🔄 Supersession \u0026amp; Cross Reference\u003c\/h2\u003e\u003cp\u003eNGK's cross-reference tables list this plug against these part numbers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDENSO: 4115, 4122, 4172, 4772, 5363, 5373, IU27, IX27 and 5 more\u003c\/li\u003e\n\u003cli\u003eChampion: A61G\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e📦 Condition\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand new genuine product\u003c\/li\u003e\n\u003cli\u003eSupplied in original packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":56192554860836,"sku":"087295147726","price":58.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/DR9EIX__0.jpg?v=1788369220","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/dr9eix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}