{"product_id":"ngk-97637-dcpr7eix-iridium-spark-plugs-4-pack-for-harley-davidson-twin-cam-xl","title":"NGK 97637 DCPR7EIX Iridium Spark Plugs — 4 Pack for Harley-Davidson Twin Cam \u0026 XL","description":"\u003cp\u003eDiscover the NGK 97637 DCPR7EIX iridium spark plugs, a modern replacement that supersedes earlier numbers and aligns with Harley-Davidson Twin Cam and XL engines. This 4-pack provides a straightforward path to maintenance without interrupting your riding schedule.\u003c\/p\u003e\n\u003ch3\u003eWhy choose NGK 97637 DCPR7EIX\u003c\/h3\u003e\n\u003cp\u003eAs the newest part number in NGK's lineup, this iridium plug offers precision ignition and long-lasting performance. NGK is widely recognized as the world's largest supplier of OEM spark plugs, and many Harley models come with NGK as the original equipment. The DCPR7EIX design balances a fine iridium alloy tip and durable construction for steady ignition across a range of riding conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNewest replacement number 97637, superseding 6046\u003c\/li\u003e\n\u003cli\u003eIridium alloy for longevity and consistent combustion\u003c\/li\u003e\n\u003cli\u003eOEM-grade build trusted for Harley-Davidson engines\u003c\/li\u003e\n\u003cli\u003eFour plugs per package for convenience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cp\u003eRiders benefit from smoother idle, crisp throttle response, and reliable starts across hot rides and cool mornings. The plugs are designed to maintain stable flame fronts and resist fouling during varied riding styles—from daily commutes to weekend cruises.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for Harley-Davidson Twin Cam and XL engines\u003c\/li\u003e\n\u003cli\u003eHandles heat and vibration with durable construction\u003c\/li\u003e\n\u003cli\u003eSimple installation with standard gap and seating\u003c\/li\u003e\n\u003cli\u003eHelps maintain consistent performance between services\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cp\u003eA 4-pack of NGK 97637 DCPR7EIX iridium spark plugs, ready to install, offering a practical solution for planned maintenance or replacements.\u003c\/p\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: Are these NGK 97637 spark plugs compatible with Harley-Davidson Twin Cam engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They match Harley Twin Cam and XL specifications, offering reliable ignition and compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A four-pack of NGK 97637 DCPR7EIX spark plugs is included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":42470963183701,"sku":"B00MG79MX6","price":56.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ngk-iridium-spark-plug-97637-dcpr7eix-harley-twin-cam.jpg?v=1778157958","url":"https:\/\/plentytorque.co.uk\/products\/ngk-97637-dcpr7eix-iridium-spark-plugs-4-pack-for-harley-davidson-twin-cam-xl","provider":"PlentyTorque","version":"1.0","type":"link"}