{"product_id":"ngk-dpr6ea-9-spark-plug-4-pack-nickel-copper-0-036-in-gap-6-heat-12-mm-thread","title":"NGK DPR6EA-9 Spark Plug 4-Pack – Nickel\/Copper, 0.036 in Gap, 6 Heat, 12 mm Thread","description":"\u003cp\u003eMeet the NGK DPR6EA-9 4-pack spark plugs, designed to deliver dependable ignition on a range of riders who value steady performance across daily rides and weekend getaways. Built to mirror OE concepts with modern materials, these plugs offer a balanced approach to ignition reliability without overpromising results. \u003c\/p\u003e\n\u003ch3\u003eWhy riders choose NGK for their V-twin and cruiser engines\u003c\/h3\u003e\n\u003cp\u003eThese plugs combine a nickel\/copper center electrode with a solid copper core, supporting efficient heat transfer and consistent operation in varied riding conditions. A high-grade ceramic insulator provides robust dielectric strength, helping maintain stable ignition under demanding temperatures. The triple gasket seal helps reduce gas leakage and preserve compression, contributing to predictable idle and smooth acceleration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-gap is set at .036 in (0.9 mm) for consistent performance out of the box.\u003c\/li\u003e\n  \u003cli\u003eGround electrode configuration features a standard J-gap with one electrode for reliable spark delivery.\u003c\/li\u003e\n  \u003cli\u003eResistor type helps suppress ignition noise and supports electrical stability in the ignition system.\u003c\/li\u003e\n  \u003cli\u003eSolid copper core and nickel alloy materials are chosen for heat dissipation and durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis 4-pack is labeled as a standard replacement option, aligning with many OEM nickel alloy plug applications. It is not a guarantee for every engine, so it’s wise to verify the part number and gap against your owner’s manual or NGK directly before purchasing.\u003c\/p\u003e\n\u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePart number: DPR6EA-9; 4 plugs per pack; Stock: 5531\u003c\/li\u003e\n  \u003cli\u003eThread diameter: 12.0 mm (0.472 in); Hex size: 18 mm\u003c\/li\u003e\n  \u003cli\u003eReach: 19.0 mm (0.750 in); Ground electrode: 1; Gap: 0.036 in\u003c\/li\u003e\n  \u003cli\u003eGround electrode tip design: Standard; Resistor type: Yes; Washer: Crush\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatibility spans several Kawasaki Vulcan 1500 models and Triumph Thunderbird series from the 2010s, among other OE nickel alloy plug applications. Always confirm compatibility with the vehicle manual or NGK to ensure the part matches your engine’s specifications and heat range.\u003c\/p\u003e\n\u003ch3\u003ePractical notes for installation and use\u003c\/h3\u003e\n\u003cp\u003eWhen installing, handle with care to avoid damage to the ceramic insulator. Use the correct torque specification and ensure the gasket seals properly to maintain compression and prevent leaks. Real-world riding benefits may include steady idle, reliable cold starts, and consistent power delivery under varied loads.\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 motorcycles is this spark plug set designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Kawasaki VN1500 variants (1999–2008) and Triumph Thunderbird family (2010–2017); always confirm with your manual or NGK.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key features of NGK DPR6EA-9?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Nickel\/copper center, 0.036 in pre-gap, resistor type, 12 mm thread, 18 mm hex, and ceramic insulator.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":42466064826453,"sku":"B00M5EVA9E","price":32.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ngk-dpr6ea9-4-pack-box.jpg?v=1778036348","url":"https:\/\/plentytorque.co.uk\/products\/ngk-dpr6ea-9-spark-plug-4-pack-nickel-copper-0-036-in-gap-6-heat-12-mm-thread","provider":"PlentyTorque","version":"1.0","type":"link"}