{"product_id":"harddrive-m8-cylinders-124-black-w-machined-fins-pr-820-51548","title":"Harddrive M8 Cylinders - 124 Black W\/Machined Fins PR — Harley-Davidson (2017-2024)","description":"\u003cp\u003eHarddrive M8 big-bore cylinders for V-twin motorcycles, sold as a pair with powder-coated black finish and machined cooling fins for an OEM appearance. Direct fit for Wiseco K2787 pistons and compatible with Cometic Head and Base gasket kits without modifications.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePowder-coated black finish with machined fins\u003c\/li\u003e\n  \u003cli\u003eM8 big-bore cylinders sold as a pair\u003c\/li\u003e\n  \u003cli\u003eCompatible with Wiseco K2787 pistons\u003c\/li\u003e\n  \u003cli\u003eWorks with Cometic Head and Base gasket kits without modification\u003c\/li\u003e\n  \u003cli\u003eNo machine work required\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 Harddrive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 88186\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 191361123412\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 21.2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 11.02 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 11.02 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 11.02 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 equipped with Milwaukee-Eight (M8) engines. Verify piston compatibility and gasket sizing before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat pistons do these cylinders accept?\u003c\/h3\u003e\n\u003cp\u003eThese M8 cylinders are designed for Wiseco K2787 pistons, sold separately. Confirm your piston part number before assembly.\u003c\/p\u003e\n\u003ch3\u003eDo I need new gaskets?\u003c\/h3\u003e\n\u003cp\u003eGaskets are sold separately. Cometic Head and Base gasket kits (see part numbers in product details) install without modifications to these cylinders.\u003c\/p\u003e\n\u003ch3\u003eAre these sold individually or as a pair?\u003c\/h3\u003e\n\u003cp\u003eM8 cylinders are sold as a pair — both cylinders needed for a complete big-bore setup.\u003c\/p\u003e\n\u003ch3\u003eWill these fit my M8 engine without machine work?\u003c\/h3\u003e\n\u003cp\u003eYes — when paired with compatible pistons and Cometic gasket kits, no cylinder porting or machine work is required.\u003c\/p\u003e","brand":"Harddrive","offers":[{"title":"Default Title","offer_id":53035792367727,"sku":"820-51548","price":650.66,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/1300-5a3d5c566e571.jpg?v=1777529348","url":"https:\/\/vtwinbikers.com\/products\/harddrive-m8-cylinders-124-black-w-machined-fins-pr-820-51548","provider":"Vtwinbikers","version":"1.0","type":"link"}