{"product_id":"s-s-cycle-cylinder-piston-kits-harley-davidson-4","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 2017+ Harley-Davidson Milwaukee-Eight engines, featuring 4.250-inch bore pistons in .010-inch oversized configuration. Increases engine displacement and compression for added horsepower and torque on stock M8 powerplants.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4.250 in bore x 4.500 in stroke\u003c\/li\u003e\n  \u003cli\u003e0.010 in oversized configuration\u003c\/li\u003e\n  \u003cli\u003eDesigned for 2017+ Milwaukee-Eight (M8) engines\u003c\/li\u003e\n  \u003cli\u003eIncreases displacement and compression\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 920-0142\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore x Stroke:\u003c\/strong\u003e 4.250 in x 4.500 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversizing:\u003c\/strong\u003e 0.010 in\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 3.22 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 2017 and newer Harley-Davidson Milwaukee-Eight (M8) models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my Twin Cam engine?\u003c\/h3\u003e\n\u003cp\u003eNo — this kit is designed exclusively for 2017+ Milwaukee-Eight (M8) engines. Twin Cam models require a different S\u0026amp;S piston kit.\u003c\/p\u003e\n\u003ch3\u003eWhat kind of displacement increase can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe 0.010-inch overbore increases total engine displacement compared to stock M8, with exact gains depending on your base engine configuration.\u003c\/p\u003e\n\u003ch3\u003eDo I need a tuner with this kit?\u003c\/h3\u003e\n\u003cp\u003eA fuel and ignition tuner or ECM flash is strongly recommended to optimize performance and fuel mapping with the increased compression and displacement.\u003c\/p\u003e\n\u003ch3\u003eIs professional installation required?\u003c\/h3\u003e\n\u003cp\u003eYes — piston and cylinder installation requires engine disassembly and machine work. Professional installation by a qualified Harley or Indian technician is essential.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040422781039,"sku":"T14-662029","price":636.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a4a654bb-cf41-42fb-a88f-0b10043f391f.png?v=1779567221","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-cylinder-piston-kits-harley-davidson-4","provider":"Vtwinbikers","version":"1.0","type":"link"}