{"product_id":"kb-pistons-hypereutectic-cast-piston-pistons-tc96-to-103ci-10-0-1-std-824-01373","title":"Kb Pistons Hypereutectic Cast Piston - Pistons Tc96 TO 103ci 10.0:1 STD — Harley-Davidson (2007-2017)","description":"\u003cp\u003eKB Pistons Hypereutectic cast piston for Twin Cam 96 to 103 cubic inch engines at 10.0:1 compression ratio. Cast with 16% silicon content for high thermal barrier properties and low expansion, enabling tight piston-to-cylinder clearances ideal for air-cooled Harley motors running pump fuel.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e16% silicon hypereutectic alloy\u003c\/li\u003e\n  \u003cli\u003eLow thermal expansion rate\u003c\/li\u003e\n  \u003cli\u003eOptimal ring seal and quiet operation\u003c\/li\u003e\n  \u003cli\u003eDesigned for stock and mild compression ratios to 10.5:1\u003c\/li\u003e\n  \u003cli\u003eStandard bore size\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 KB Pistons\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e KB409C.STD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 800745151445\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Twin Cam 96-103 ci\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.0:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e STD (standard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5.8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5.6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.55 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Mexico\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits air-cooled Twin Cam 96 to 103 cubic inch engines at 10.0:1 compression ratio running on pump fuel.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill these hypereutectic pistons work in my stock Twin Cam?\u003c\/h3\u003e\n\u003cp\u003eYes. Hypereutectics are ideal for stock compression ratios and mild builds running 10.0:1 to 10.5:1 on pump fuel.\u003c\/p\u003e\n\u003ch3\u003eWhat's the advantage of hypereutectic pistons over forged?\u003c\/h3\u003e\n\u003cp\u003eHypereutectic's high silicon content reduces thermal expansion, allowing tighter piston clearances for better ring seal, quieter running, and less wear in air-cooled engines.\u003c\/p\u003e\n\u003ch3\u003eCan I run these above 10.5:1 compression?\u003c\/h3\u003e\n\u003cp\u003eNot recommended. Hypereutectics are designed for stock and mild compression ratios up to 10.5:1. Higher compression requires forged pistons.\u003c\/p\u003e\n\u003ch3\u003eDo these need custom rings or standard rings?\u003c\/h3\u003e\n\u003cp\u003eThe tight clearances require proper ring set selection — confirm ring compatibility with your engine builder or machine shop before assembly.\u003c\/p\u003e","brand":"Kb Pistons","offers":[{"title":"Default Title","offer_id":53035465998447,"sku":"824-01373","price":244.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a1afea32-6b1a-4b0e-84e2-724f51531ba6.png?v=1779562007","url":"https:\/\/vtwinbikers.com\/products\/kb-pistons-hypereutectic-cast-piston-pistons-tc96-to-103ci-10-0-1-std-824-01373","provider":"Vtwinbikers","version":"1.0","type":"link"}