{"product_id":"wiseco-black-edition-piston-kit-tc-103-cid-10-5-1-k2792","title":"Wiseco Black Edition Piston Kit - TC 103 CID 10.5:1 — Harley-Davidson Road King, Electra Glide Ultra Classic, Tri Glide Ultra Classic (2009-2017)","description":"\u003cp\u003eWiseco Black Edition piston kit for 103 CID Twin Cam engines with 10.5:1 compression ratio. Features premium ring design and dual protective coatings for reduced wear, friction, and noise while maintaining OEM compatibility with stock and Screamin' Eagle cylinder heads.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium compression ring for ultimate ring seal\u003c\/li\u003e\n  \u003cli\u003eNapier second ring with taper face and underhook for improved oil control\u003c\/li\u003e\n  \u003cli\u003e3mm oil ring design with higher tension for enhanced oil control\u003c\/li\u003e\n  \u003cli\u003eArmor X piston coating reduces wear\u003c\/li\u003e\n  \u003cli\u003eArmorGlide skirt coating reduces friction and improves scuff resistance\u003c\/li\u003e\n  \u003cli\u003eCompatible with OEM and Screamin' Eagle cylinder heads\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 Wiseco\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e K2792\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 103 CID\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.5:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.4 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Twin Cam 103 CID V-twin engines in Harley-Davidson and Indian Motorcycle applications.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill these pistons work with my stock cylinder heads?\u003c\/h3\u003e\n\u003cp\u003eYes — Wiseco Black Edition K2792 is compatible with OEM Harley-Davidson and Indian Motorcycle cylinder heads.\u003c\/p\u003e\n\u003ch3\u003eCan I use these with Screamin' Eagle heads?\u003c\/h3\u003e\n\u003cp\u003eYes. These pistons are engineered to work with both stock and Screamin' Eagle aftermarket heads.\u003c\/p\u003e\n\u003ch3\u003eWhat compression ratio do these pistons deliver?\u003c\/h3\u003e\n\u003cp\u003e10.5:1 compression ratio — a moderate boost over stock for improved performance without requiring premium fuel on most TC 103 builds.\u003c\/p\u003e\n\u003ch3\u003eWhy are there two different ring types?\u003c\/h3\u003e\n\u003cp\u003eThe Napier second ring with underhook provides superior oil control, while the premium compression ring maximizes seal integrity under high combustion pressures.\u003c\/p\u003e\n\u003ch3\u003eDo I need to re-jet my carburetor?\u003c\/h3\u003e\n\u003cp\u003eRing compression and oil control improvements typically do not require rejetting, but fuel mapping may benefit other modifications like intake or exhaust work.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":53035857870959,"sku":"K2792","price":1957000.0,"currency_code":"COP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/1f79-5d4da6c85ea1e_d1102228-1787-4e87-923a-fc9d95fd2ec8.jpg?v=1777529783","url":"https:\/\/vtwinbikers.com\/en-co\/products\/wiseco-black-edition-piston-kit-tc-103-cid-10-5-1-k2792","provider":"Vtwinbikers","version":"1.0","type":"link"}