{"product_id":"s-s-cycle-cylinder-piston-kits-1986-2021-harley-davidson-sportster-models-1","title":"S\u0026S Cycle Cylinder \u0026 Piston Kits — 1986-2021 Harley-Davidson Sportster Models","description":"\u003cp\u003eS\u0026amp;S Cycle cylinder and piston kit for Harley-Davidson Sportster, featuring a 3-9\/16\" bore with silver finish cylinders and matched pistons. Direct bolt-on upgrade for 1986–2021 Sportster models that increases displacement and power over stock.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e3-9\/16\" bore cylinders\u003c\/li\u003e\n  \u003cli\u003e4.650\" cylinder length\u003c\/li\u003e\n  \u003cli\u003eMatched piston set included\u003c\/li\u003e\n  \u003cli\u003eSilver finish\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 910-0693\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 3-9\/16\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCylinder Length:\u003c\/strong\u003e 4.650\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 24 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 1986–2021 Harley-Davidson Sportster models. Not compatible with XR1200 models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my XR1200?\u003c\/h3\u003e\n\u003cp\u003eNo — this kit is not compatible with XR1200 models. Contact S\u0026amp;S Cycle for XR1200-specific piston and cylinder options.\u003c\/p\u003e\n\u003ch3\u003eDo I need a tuner or carburetor changes?\u003c\/h3\u003e\n\u003cp\u003eEngine modifications of this scale typically require rejetting or EFI tuning for proper air\/fuel ratio and performance.\u003c\/p\u003e\n\u003ch3\u003eIs professional installation required?\u003c\/h3\u003e\n\u003cp\u003eYes — cylinder and piston installation requires engine disassembly and proper torque specifications. Have a qualified shop handle the work.\u003c\/p\u003e\n\u003ch3\u003eWhat year Sportster do I have?\u003c\/h3\u003e\n\u003cp\u003eThis kit fits any Sportster 1986 through 2021 — check your VIN or title for the exact model year. If unsure, verify with your shop before ordering.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040423600239,"sku":"T14-662690","price":735.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_63b094a7-115d-43a4-b058-f9d8c9eaa0b5.png?v=1779567225","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-cylinder-piston-kits-1986-2021-harley-davidson-sportster-models-1","provider":"Vtwinbikers","version":"1.0","type":"link"}