{"product_id":"motoforti-2-pack-10-4mm-10mm-spark-plug-wire-kit-for-harley-big-twin-fxd-2000-2017-softail-1999-2017-dyna-409rd","title":"Motoforti 2-Pack 10.4mm \u0026 10mm Spark Plug Wire Kit for Harley Big Twin FXD 2000-2017, Softail 1999-2017 – DYNA-409RD","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMotoforti presents a purpose-built spark plug wire kit designed for Harley-Davidson big twins, offering a practical upgrade for riders who value ignition reliability and a refreshed look. This 2-pack features 10.4mm and 10mm rubber ends, along with both 90-degree and straight boots to accommodate flexible routing. The entire jacket, insulation, and core use silicone to withstand heat and harsh riding conditions, helping preserve the spark path as you ride.\u003c\/p\u003e\n\u003cp\u003eThe kit is compatible with classic factory layouts for Harley-Davidson Dyna FXD (2000-2017) and Softail (1999-2017). Before you buy, please confirm your bike’s year and spark plug size to ensure a seamless fit. Designed as a wire replacement or relocation upgrade, it suits a range of builds from bobbers to cafe racers, delivering a clean, cohesive look while preserving ignition behavior.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOE-identified DYNA-409RD compatibility supports street and race usage\u003c\/li\u003e\n\u003cli\u003eHeat-resistant silicone jacket and insulated core for durability in hot riding conditions\u003c\/li\u003e\n\u003cli\u003eTwo pre-crimped wires with versatile boots for easier installation\u003c\/li\u003e\n\u003cli\u003eIncludes 10.4mm and 10mm ends to fit different spark plug sizes and routing paths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to Expect in Use\u003c\/h3\u003e\n\u003cp\u003eWith a robust silicone jacket and secure boots, the wires are designed to maintain a clean ignition path even under demanding riding conditions. While improvements can vary by bike, riders may notice a refreshed look on their Harley, with potential benefits such as steadier ignition behavior and more consistent performance under load. The kit is built to be a practical upgrade that harmonizes with both factory layouts and custom builds.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFollow the original wiring path or refer to reputable video guides if you are unsure about the replacement process\u003c\/li\u003e\n\u003cli\u003eEnsure secure connections at each boot and verify seating before riding\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: Which Harley models are compatible with this Motoforti spark plug wire kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Harley-Davidson Dyna FXD (2000-2017) and Softail (1999-2017); verify spark plug size and year before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included and how do I install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes 2 pre-crimped wires with 10.4mm and 10mm ends and boots; install using the factory method or consult a reliable replacement guide.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Motoforti","offers":[{"title":"Default Title","offer_id":42465583300693,"sku":"B0B52BQXKD","price":27.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/motoforti-dyna-409rd-spark-wire-kit.jpg?v=1778012812","url":"https:\/\/plentytorque.co.uk\/products\/motoforti-2-pack-10-4mm-10mm-spark-plug-wire-kit-for-harley-big-twin-fxd-2000-2017-softail-1999-2017-dyna-409rd","provider":"PlentyTorque","version":"1.0","type":"link"}