{"product_id":"wiseco-v-twin-piston-kit-1200-sportster-10-5-1-comp-k1747","title":"Wiseco V-Twin Piston Kit - 1200 Sportster 10.5:1 Comp — Harley-Davidson Sportster 1200 Custom, Sportster 883, Sportster 883 Hugger (1972-2026)","description":"\u003cp\u003eWiseco forged piston kit for Harley-Davidson 1200 Sportster engines with 10.5:1 compression ratio. Built from high-silicon aluminum for strength and heat transfer, with a diamond-turned finish machined to zero size variation.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-silicon, low-expansion aluminum forged construction\u003c\/li\u003e\n  \u003cli\u003eDiamond-turned finish from CNC machining\u003c\/li\u003e\n  \u003cli\u003eCompatible with cast iron, chrome, nikasil, and boron composite cylinder bores\u003c\/li\u003e\n  \u003cli\u003eSuperior strength and reduced weight vs. cast pistons\u003c\/li\u003e\n  \u003cli\u003eLonger engine life and improved heat dissipation\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 K1747\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.5:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 1200 Sportster\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9.6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 4.1 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 Harley-Davidson 1200 Sportster models with 10.5:1 compression ratio.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill these pistons fit my 883 Sportster?\u003c\/h3\u003e\n\u003cp\u003eNo — this kit is specifically for 1200 Sportster engines. 883 models require a different piston kit.\u003c\/p\u003e\n\u003ch3\u003eCan I use these in a nikasil-plated cylinder?\u003c\/h3\u003e\n\u003cp\u003eYes. Wiseco pistons are compatible with nikasil, chrome, boron composite, and cast-iron cylinder bores.\u003c\/p\u003e\n\u003ch3\u003eDo these need special break-in procedures?\u003c\/h3\u003e\n\u003cp\u003eFollow standard break-in for any forged piston — gradual throttle application for the first 500 miles to seat rings properly.\u003c\/p\u003e\n\u003ch3\u003eWhat compression ratio do I get with these pistons?\u003c\/h3\u003e\n\u003cp\u003e10.5:1 compression ratio as specified. Verify your cylinder and head combination supports this ratio before installation.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":53035619844207,"sku":"K1747","price":1584000.0,"currency_code":"COP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/014c-5c62f819ba067.jpg?v=1777528970","url":"https:\/\/vtwinbikers.com\/en-co\/products\/wiseco-v-twin-piston-kit-1200-sportster-10-5-1-comp-k1747","provider":"Vtwinbikers","version":"1.0","type":"link"}