{"product_id":"hayden-primary-chain-tensioner-big-twins-39-1209","title":"Hayden Primary Chain Tensioner - BIG Twins — Harley-Davidson Road King, Electra Glide Classic, Electra Glide Ultra Classic (1994-2000)","description":"\u003cp\u003eHayden primary chain tensioner for V-twin motorcycles, automatically maintains proper chain tension during acceleration and deceleration to eliminate slack and reduce drivetrain clunk. Direct fit for Big Twin Harleys and compatible V-twins.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic tension adjustment\u003c\/li\u003e\n  \u003cli\u003eReduces primary chain slack during shifts\u003c\/li\u003e\n  \u003cli\u003eSmoother transmission engagement\u003c\/li\u003e\n  \u003cli\u003eEliminates drivetrain noise and clunk\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 Hayden\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e M6BT94\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4.45 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.25 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.1959 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles including Harley-Davidson Big Twin and Indian Motorcycle models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my Harley Big Twin?\u003c\/h3\u003e\n\u003cp\u003eYes — designed for Harley-Davidson Big Twin engines and compatible V-twin platforms.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does a primary chain tensioner solve?\u003c\/h3\u003e\n\u003cp\u003eIt automatically keeps chain tension consistent during acceleration and deceleration, eliminating slack that causes transmission clunk and rough shifts.\u003c\/p\u003e\n\u003ch3\u003eIs installation difficult?\u003c\/h3\u003e\n\u003cp\u003eInstallation varies by model. Consult your service manual or a qualified mechanic for your specific bike.\u003c\/p\u003e\n\u003ch3\u003eDo I need any special tools?\u003c\/h3\u003e\n\u003cp\u003eStandard mechanic tools are typically required. Check your bike's manual for any model-specific installation requirements.\u003c\/p\u003e","brand":"Hayden","offers":[{"title":"Default Title","offer_id":53035864916079,"sku":"39-1209","price":115.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_00a95c36-4af8-4964-a931-08271b5a848d.png?v=1779563540","url":"https:\/\/vtwinbikers.com\/products\/hayden-primary-chain-tensioner-big-twins-39-1209","provider":"Vtwinbikers","version":"1.0","type":"link"}