{"product_id":"ngk-iridium-ix-spark-plugs-tr7ix-3690-8-pack-by-ngk","title":"NGK Iridium IX Spark Plugs TR7IX 3690 – 8-Pack by NGK","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMeet NGK Iridium IX Spark Plugs TR7IX 3690, an 8-pack designed to provide reliable ignition across modern engines. Built for durability, these plugs feature a fine-iridium tip and a robust metal shell that stands up to everyday driving conditions.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eIridium IX technology is designed to deliver efficient spark energy, improving cold starts, idle stability, and smooth throttle response under typical driving scenarios. This pack is ideal for routine maintenance and replacements when you want a fresh, consistent ignition pair with your engine's TR7IX 3690 specification.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLong-lasting iridium tip for a longer service life and fewer replacements\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered TR7IX 3690 design for compatibility with supported engines\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant metal shell for durability in varied climates\u003c\/li\u003e\n\u003cli\u003eEight plugs per purchase for complete set replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and durability\u003c\/h3\u003e\u003cp\u003eThe plug features a resilient metal shell and tight tolerances that help resist fouling and maintain consistent gaps. The fine-iridium electrode reduces wear, supporting steady performance across seasons and driving styles.\u003c\/p\u003e\u003ch3\u003eInstallation and compatibility\u003c\/h3\u003e\u003cp\u003eThese plugs are intended for engines specifying the TR7IX 3690 specification. Always verify fit with your vehicle's owner manual or NGK's compatibility guide. Professional installation is advised if you’re replacing multiple cylinders at once.\u003c\/p\u003e\u003ch3\u003eWhat you might notice\u003c\/h3\u003e\u003cp\u003eDrivers often report crisper starts and smoother idling after a fresh Iridium IX set, especially in engines that value quick spark delivery. Results depend on the rest of the ignition system and engine condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePack details\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSold in packs of 8\u003c\/li\u003e\n\u003cli\u003eIncludes eight high-quality NGK Iridium IX plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the 8-pack NGK Iridium IX Spark Plugs TR7IX 3690?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A complete set of eight NGK Iridium IX spark plugs ready for installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this spark plug kit compatible with my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for engines that require TR7IX 3690; verify fit with your owner's manual or NGK compatibility guide.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":42464357482581,"sku":"B01LRIVQNS","price":82.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ngk-iridium-ix-spark-plug-tr7ix-3690.jpg?v=1777977898","url":"https:\/\/plentytorque.co.uk\/products\/ngk-iridium-ix-spark-plugs-tr7ix-3690-8-pack-by-ngk","provider":"PlentyTorque","version":"1.0","type":"link"}