{"product_id":"accel-high-performance-copper-core-spark-plug-plugs-tc-xl-high-performance-274-0163","title":"Accel High Performance Copper Core Spark Plug - Plugs TC\/XL High Performance — Harley-Davidson (1955-2026)","description":"\u003cp\u003eAccel high-performance copper core spark plug engineered for V-twin motorcycles, featuring the C-Cut design that creates a hotter, faster-expanding spark for more complete combustion. Delivers improved throttle response, fuel efficiency, and reduced emissions without increasing spark gap.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eACCEL C-Cut copper core design\u003c\/li\u003e\n  \u003cli\u003eHotter spark with faster flame expansion\u003c\/li\u003e\n  \u003cli\u003eSpark positioned above electrode midpoint to avoid ground strap shrouding\u003c\/li\u003e\n  \u003cli\u003eLarger spark nucleus without increased gap\u003c\/li\u003e\n  \u003cli\u003eMore complete air-fuel burn\u003c\/li\u003e\n  \u003cli\u003eImproved throttle response and fuel economy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Accel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 2418\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 743047801673\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Copper core spark plug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2.15 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.21 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat makes the ACCEL C-Cut different from a standard spark plug?\u003c\/h3\u003e\n\u003cp\u003eThe C-Cut positions the spark above the electrode core, preventing the ground strap from blocking the flame and creating a larger, hotter spark nucleus for better combustion.\u003c\/p\u003e\n\u003ch3\u003eWill this improve my bike's performance?\u003c\/h3\u003e\n\u003cp\u003eYes — the larger flame front burns fuel more completely, resulting in improved throttle response, fuel efficiency, and reduced emissions.\u003c\/p\u003e\n\u003ch3\u003eDo I need to adjust my spark gap?\u003c\/h3\u003e\n\u003cp\u003eNo — the C-Cut design produces a larger spark nucleus without requiring an increased gap.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my Harley or Indian?\u003c\/h3\u003e\n\u003cp\u003eThis plug fits most V-twin motorcycles including Harley-Davidson and Indian models. Verify your bike's original plug type before ordering to confirm fitment.\u003c\/p\u003e\n\u003ch3\u003eWhat country are these made in?\u003c\/h3\u003e\n\u003cp\u003eManufactured in Japan.\u003c\/p\u003e","brand":"Accel","offers":[{"title":"Default Title","offer_id":53035034804335,"sku":"274-0163","price":105000.0,"currency_code":"COP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_6e707224-b538-4c37-9991-fad813315323.png?v=1779560104","url":"https:\/\/vtwinbikers.com\/en-co\/products\/accel-high-performance-copper-core-spark-plug-plugs-tc-xl-high-performance-274-0163","provider":"Vtwinbikers","version":"1.0","type":"link"}