{"product_id":"s-s-cycle-cylinder-piston-kits-harley-davidson-17","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 Harley Milwaukee-Eight (M8) engines, featuring a 4.250\" bore and black granite finish with highlighted fins. Direct bolt-on installation increases displacement for more power without major engine teardown.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4.250\" bore cylinder\u003c\/li\u003e\n  \u003cli\u003eBlack granite finish with highlighted fins\u003c\/li\u003e\n  \u003cli\u003eBolt-on installation for M8 engines\u003c\/li\u003e\n  \u003cli\u003eS\u0026amp;S Cycle recommends pairing with head bolts part number 900-1006 for big bore applications\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 910-0739\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 4.250 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black granite with highlighted fins\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 24.85 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 Harley-Davidson Milwaukee-Eight (M8) models. S\u0026amp;S Cycle recommends using head bolts part number 900-1006 when installing big bore cylinder kits.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat engine do these cylinders fit?\u003c\/h3\u003e\n\u003cp\u003eThese are designed for Harley Milwaukee-Eight (M8) engines. Check your model year and engine code before ordering.\u003c\/p\u003e\n\u003ch3\u003eDo I need special head bolts?\u003c\/h3\u003e\n\u003cp\u003eS\u0026amp;S Cycle recommends pairing these big bore cylinders with their M8 head bolts (part number 900-1006) for proper clamping and reliability.\u003c\/p\u003e\n\u003ch3\u003eWhat is the bore size?\u003c\/h3\u003e\n\u003cp\u003e4.250 inches — larger than stock M8 cylinders to increase displacement and power output.\u003c\/p\u003e\n\u003ch3\u003eWill I need to tune my bike after installation?\u003c\/h3\u003e\n\u003cp\u003eYes — big bore kits typically require fuel\/air tuning with a ECU remapper to optimize performance and prevent running lean.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040428351599,"sku":"T14-619447","price":977.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_c04d3472-9c1d-4d16-b153-78d5bb98e99e.png?v=1779566666","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-cylinder-piston-kits-harley-davidson-17","provider":"Vtwinbikers","version":"1.0","type":"link"}