{"product_id":"s-s-cycle-cylinder-piston-kits-harley-davidson-25","title":"S\u0026S Cycle Cylinder \u0026 Piston Kits — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)","description":"\u003cp\u003eS\u0026amp;S Cycle 136 cubic inch cylinder and piston kit for Harley-Davidson, delivering a bolt-on displacement increase from stock with a 4.320\" bore. Retains stock engine height and works with existing crankcases, making it a straightforward power upgrade.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4.320\" bore for 136 cubic inch displacement\u003c\/li\u003e\n  \u003cli\u003ePowder coat finish matches factory appearance\u003c\/li\u003e\n  \u003cli\u003eMLS multi-layered steel head gaskets included\u003c\/li\u003e\n  \u003cli\u003eRetains stock engine height and serial numbers\u003c\/li\u003e\n  \u003cli\u003eWorks with stock crankcases\u003c\/li\u003e\n  \u003cli\u003eIncludes S\u0026amp;S 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 910-0850\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 136 cubic inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 4.320\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 29.75 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 models with compatible stock crankcases.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this require internal engine modifications?\u003c\/h3\u003e\n\u003cp\u003eNo — the kit works with stock crankcases and retains original engine height, minimizing internal machine work.\u003c\/p\u003e\n\u003ch3\u003eDo I need to change my engine serial number?\u003c\/h3\u003e\n\u003cp\u003eNo — original engine serial numbers are retained with this kit.\u003c\/p\u003e\n\u003ch3\u003eWhat's included in the box?\u003c\/h3\u003e\n\u003cp\u003eCylinders, pistons, MLS head gaskets, mounting hardware, and an S\u0026amp;S Cam Cover Badge.\u003c\/p\u003e\n\u003ch3\u003eWill I need to rejet my carburetor or reprogram fuel injection?\u003c\/h3\u003e\n\u003cp\u003eYes — the large displacement increase will require carburetor or EFI tuning to run properly and avoid running too lean.\u003c\/p\u003e\n\u003ch3\u003eIs professional installation required?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires engine disassembly and machine work. This is not a bolt-on kit — have a qualified shop handle the install.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040429498479,"sku":"T14-662036","price":1643.95,"currency_code":"USD","in_stock":false}],"url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-cylinder-piston-kits-harley-davidson-25","provider":"Vtwinbikers","version":"1.0","type":"link"}