{"product_id":"wiseco-black-edition-piston-kit-tc-103-cid-10-5-1-010-k2793","title":"Wiseco Black Edition Piston Kit - TC 103 CID 10.5:1 +.010 — Harley-Davidson (1999-2017)","description":"\u003cp\u003eWiseco Black Edition piston kit for Twin Cam 103 CID engines at 10.5:1 compression, featuring Armor X coating and ArmorGlide skirt treatment for reduced wear and friction. Includes premium compression ring, Napier second ring, and 3mm oil ring for superior seal and oil control.\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\u003c\/li\u003e\n  \u003cli\u003eArmor X piston coating for reduced wear\u003c\/li\u003e\n  \u003cli\u003eArmorGlide skirt coating for reduced friction and quieter operation\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 K2793\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Twin Cam 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\u003eOversized:\u003c\/strong\u003e +.010\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 V-twin motorcycles with Twin Cam 103 CID engines requiring 10.5:1 compression ratio at +.010 oversized bore.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill these pistons work with my stock Harley heads?\u003c\/h3\u003e\n\u003cp\u003eYes — these pistons are compatible with both OEM Harley heads and Screamin' Eagle performance heads.\u003c\/p\u003e\n\u003ch3\u003eWhat compression ratio will I have with these pistons?\u003c\/h3\u003e\n\u003cp\u003eThis kit delivers 10.5:1 compression ratio for the TC 103 engine.\u003c\/p\u003e\n\u003ch3\u003eDo I need new rings if I'm just replacing the pistons?\u003c\/h3\u003e\n\u003cp\u003eThis kit includes premium compression ring, Napier second ring, and 3mm oil ring — no need to buy rings separately.\u003c\/p\u003e\n\u003ch3\u003eWhat is the +.010 measurement?\u003c\/h3\u003e\n\u003cp\u003eThe +.010 indicates these pistons are oversized .010 inches larger than stock bore diameter — your cylinder must be bored to this specification.\u003c\/p\u003e\n\u003ch3\u003eWill these reduce engine noise?\u003c\/h3\u003e\n\u003cp\u003eYes — the ArmorGlide skirt coating reduces friction and piston slap for quieter operation compared to stock pistons.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":53035857936495,"sku":"K2793","price":1957000.0,"currency_code":"COP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/1f79-5d4da6c85ea1e_1eded0b8-da07-4e88-b0ec-ff1aa4ab41bb.jpg?v=1777529784","url":"https:\/\/vtwinbikers.com\/en-co\/products\/wiseco-black-edition-piston-kit-tc-103-cid-10-5-1-010-k2793","provider":"Vtwinbikers","version":"1.0","type":"link"}