{"product_id":"atesilor-10-4mm-spark-plug-wires-for-harley-davidson-big-twin-softail-2000-2017","title":"Atesilor 10.4mm Spark Plug Wires for Harley-Davidson Big Twin \u0026 Softail (2000-2017)","description":"\u003ch2\u003ePremium ignition wire upgrade for Harley-Davidson\u003c\/h2\u003e\n\u003cp\u003eUpgrade your Harley with the Atesilor 10.4mm spark plug wires, designed to fit Harley-Davidson Big Twin families and Softail models from 1999 to 2017. This set blends broad compatibility with durable performance, helping your ignition system deliver a dependable spark when you ride. While results vary by condition, many riders appreciate easier starts and steadier engine response with a fresh wire set.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included and how it’s built\u003c\/h3\u003e\n\u003cp\u003eThe kit provides two wires to accommodate common routing needs: a tighter 5.71 inch lead and a longer 17.72 inch lead. Each wire concludes with a robust 10.4mm rubber end to maintain a solid contact under vibration and heat.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement component number DYNA-409BK; includes 5.71\" and 17.72\" wires with a 10.4mm rubber end\u003c\/li\u003e\n  \u003cli\u003eBroad compatibility: fits Harley-Davidson Big Twin Dyna Super Glide\/Wide Glide\/Low Rider (2000–2017) and Softail Springer\/Slim\/Deluxe\/Deuce (1999–2017)\u003c\/li\u003e\n  \u003cli\u003eDurable construction: rubber insulation withstands high temperatures while preserving conductivity\u003c\/li\u003e\n  \u003cli\u003eIgnition role: converts low-voltage battery energy into a high-voltage spark to ignite fuel\u003c\/li\u003e\n  \u003cli\u003eReplacement guidance: worn wires can reduce spark energy and starting reliability; swapping in a fresh set can help\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy riders consider this upgrade\u003c\/h3\u003e\n\u003cp\u003eThese wires are built to perform under heat, vibration, and road conditions. The dual-length option supports flexible routing, helping prevent excessive bends that can stress conductors. While not a guarantee, many riders report smoother starts and more consistent firing with new wires.\u003c\/p\u003e\n\u003ch3\u003eInstallation tips\u003c\/h3\u003e\n\u003cp\u003eMake sure the engine is cool before installation. Route wires away from hot exhaust components and moving parts, and ensure a secure boot contact. If uncertain, seek professional installation for precise fit and reliable connections.\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: Which Harley models is this ignition wire kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Harley-Davidson Big Twin Dyna, Wide Glide, Low Rider (2000–2017) and Softail Springer\/Slim\/Deluxe\/Deuce (1999–2017).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the kit and what benefits does it offer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes 5.71\" and 17.72\" wires with a 10.4mm rubber end; designed for temperature resilience and stable current transmission.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Atesilor","offers":[{"title":"Default Title","offer_id":42466140454997,"sku":"B0DK1LDH8M","price":32.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/atesilor-spark-plug-wires-package.jpg?v=1778040618","url":"https:\/\/plentytorque.co.uk\/products\/atesilor-10-4mm-spark-plug-wires-for-harley-davidson-big-twin-softail-2000-2017","provider":"PlentyTorque","version":"1.0","type":"link"}