{"product_id":"s-s-cycle-cylinder-piston-kits-harley-davidson-18","title":"S\u0026S Cycle Cylinder \u0026 Piston Kits — Harley-Davidson Street Glide, Softail Fat Boy 114, Road King Special (2017-2026)","description":"\u003cp\u003eS\u0026amp;S Cycle cylinder and piston kit for Milwaukee-Eight Harley-Davidson big twins (2017+), engineered to bore the engine to 4.25 inches and pair with S\u0026amp;S stroker cranks for 131 cubic inches of displacement. Forged pistons and tight tolerances deliver significant horsepower gains while retaining stock engine height and casings.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eForged piston design\u003c\/li\u003e\n  \u003cli\u003e4.25\" cylinder bore\u003c\/li\u003e\n  \u003cli\u003ePowder coat finish matches factory appearance\u003c\/li\u003e\n  \u003cli\u003e0.030\" MLS head gaskets included\u003c\/li\u003e\n  \u003cli\u003eWorks with stock crankcases\u003c\/li\u003e\n  \u003cli\u003eRetains original engine height\u003c\/li\u003e\n  \u003cli\u003eIncludes 131\" displacement cam cover badge\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 S\u0026amp;S Cycle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 910-0762\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Components \/ Piston Sets - Powersports\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 27.06 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Milwaukee-Eight engines (2017 and newer big twins). Must be paired with S\u0026amp;S stroker flywheels (part #s 320-0605 or 320-0620) to achieve the full 131 cubic inch displacement.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat displacement does this kit produce?\u003c\/h3\u003e\n\u003cp\u003e131 cubic inches when combined with S\u0026amp;S stroker flywheels (part #s 320-0605 or 320-0620). The cylinders alone bore the engine to 4.25 inches.\u003c\/p\u003e\n\u003ch3\u003eWill I need to replace my crankcase?\u003c\/h3\u003e\n\u003cp\u003eNo — this kit works with stock crankcases, so you can use your existing bottom end.\u003c\/p\u003e\n\u003ch3\u003eDoes this require engine removal for installation?\u003c\/h3\u003e\n\u003cp\u003eYes, this is a major engine build requiring disassembly. Professional machine shop installation is recommended.\u003c\/p\u003e\n\u003ch3\u003eWill my engine serial number be retained?\u003c\/h3\u003e\n\u003cp\u003eYes — original engine serial numbers are retained through the build.\u003c\/p\u003e\n\u003ch3\u003eWhat about carburetor tuning or fuel mapping?\u003c\/h3\u003e\n\u003cp\u003eWith a 131-inch displacement increase, your fuel system and ignition will require recalibration. Consult S\u0026amp;S or a Harley tuner for mapping specifics.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040429236335,"sku":"T14-662013","price":1643.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/464e165275e52c0577e416e48b0d0db6L.jpg?v=1777658931","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-cylinder-piston-kits-harley-davidson-18","provider":"Vtwinbikers","version":"1.0","type":"link"}