{"product_id":"wiseco-v-twin-piston-kit-1200-evo-sportster-10-5-1-comp-k1685","title":"Wiseco V-Twin Piston Kit - 1200 EVO Sportster 10.5:1 Comp — Harley-Davidson Electra Glide Classic, Sportster 883, Softail Custom (1984-1999)","description":"\u003cp\u003eWiseco forged piston kit for 1200cc EVO Sportster with 10.5:1 compression ratio. Built from high-silicon, low-expansion aluminum for superior strength and heat transfer compared to cast pistons.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-silicon, low-expansion aluminum forging\u003c\/li\u003e\n  \u003cli\u003eDiamond-turned finish with no size variation\u003c\/li\u003e\n  \u003cli\u003eCompatible with cast iron, chrome, nikasil, and boron composite bores\u003c\/li\u003e\n  \u003cli\u003eCNC-machined for precise tolerances\u003c\/li\u003e\n  \u003cli\u003eOversized options available for cylinder resleeving\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 K1685\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.5:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 1200cc EVO Sportster\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9.7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 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 1200cc EVO Sportster models requiring 10.5:1 compression ratio pistons.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this piston kit work with my chrome-lined cylinders?\u003c\/h3\u003e\n\u003cp\u003eYes. Wiseco pistons are compatible with cast iron, chrome, nikasil, and boron composite cylinder bores.\u003c\/p\u003e\n\u003ch3\u003eDo I need to get my cylinders bored for oversized pistons?\u003c\/h3\u003e\n\u003cp\u003eThis is a standard 1200cc piston for unmodified cylinders. Wiseco offers oversized options if you're resleeving cast iron or boring existing cylinders.\u003c\/p\u003e\n\u003ch3\u003eWhat makes Wiseco pistons different from OEM Harley pistons?\u003c\/h3\u003e\n\u003cp\u003eWiseco uses forged high-silicon aluminum instead of cast material, offering reduced weight, superior strength, and better heat transfer for improved longevity.\u003c\/p\u003e\n\u003ch3\u003eCan these be installed in any EVO Sportster?\u003c\/h3\u003e\n\u003cp\u003eThese are sized for 1200cc EVO Sportster with 10.5:1 compression. Verify your engine displacement and desired compression ratio match before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs professional installation required?\u003c\/h3\u003e\n\u003cp\u003ePiston installation requires engine removal, honing, and precise torque specifications. Professional machine shop installation is strongly recommended.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":53035619647599,"sku":"K1685","price":447.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_0c4bf947-a4c8-40c4-81f1-b2ed4eea2154.png?v=1779562611","url":"https:\/\/vtwinbikers.com\/products\/wiseco-v-twin-piston-kit-1200-evo-sportster-10-5-1-comp-k1685","provider":"Vtwinbikers","version":"1.0","type":"link"}