{"product_id":"s-s-cycle-cylinder-piston-kits-harley-davidson-28","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 piston and cylinder kit for 2017+ Harley-Davidson Milwaukee-Eight (M8) engines, built with precision-forged construction for top-end rebuilds and performance upgrades. Features a 4.320-inch bore and 4.375-inch stroke designed for the late-model Big Twin platform.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4.320 in bore × 4.375 in stroke\u003c\/li\u003e\n  \u003cli\u003ePrecision-forged construction\u003c\/li\u003e\n  \u003cli\u003e2017+ M8 engine compatibility\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 920-0150\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore × Stroke:\u003c\/strong\u003e 4.320 in × 4.375 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.22 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Components \/ Piston Sets - Powersports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 2017 and newer Harley-Davidson Milwaukee-Eight (M8) Big Twin engines.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my pre-2017 Harley Twin Cam engine?\u003c\/h3\u003e\n\u003cp\u003eNo — this kit is specific to 2017+ Milwaukee-Eight (M8) engines. Twin Cam owners need a different S\u0026amp;S Cycle piston and cylinder kit.\u003c\/p\u003e\n\u003ch3\u003eDo I need to buy gaskets and rings separately?\u003c\/h3\u003e\n\u003cp\u003eCheck the kit contents or consult S\u0026amp;S Cycle directly — some kits include rings and gaskets, others do not.\u003c\/p\u003e\n\u003ch3\u003eIs professional installation required?\u003c\/h3\u003e\n\u003cp\u003eTop-end rebuilds involve engine disassembly and precise torque specs. Professional installation is strongly recommended unless you have M8 engine experience.\u003c\/p\u003e\n\u003ch3\u003eWhat compression ratio will this give me?\u003c\/h3\u003e\n\u003cp\u003eCompression ratio depends on cylinder head choice and gasket thickness. Consult S\u0026amp;S Cycle's application guide for your specific setup.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040429662319,"sku":"T14-662045","price":746.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_3fde0689-1124-4387-945c-235ca0ea9440.png?v=1779566789","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-cylinder-piston-kits-harley-davidson-28","provider":"Vtwinbikers","version":"1.0","type":"link"}