{"product_id":"kb-pistons-hypereutectic-cast-piston-pistons-evo-80ci-9-6-1-005-824-01007","title":"Kb Pistons Hypereutectic Cast Piston - Pistons EVO 80ci 9.6:1 .005 — Harley-Davidson (1984-1999)","description":"\u003cp\u003eKB Pistons Hypereutectic cast piston for EVO 80ci engines, featuring 16% silicon content for superior thermal barrier properties and low expansion. Designed for tight piston-to-cylinder clearances in air-cooled big twins, delivering optimal ring seal and quieter operation.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHypereutectic alloy with 16% silicon content\u003c\/li\u003e\n  \u003cli\u003eLow thermal expansion rate\u003c\/li\u003e\n  \u003cli\u003eTight piston-to-cylinder wall clearances\u003c\/li\u003e\n  \u003cli\u003e9.6:1 compression ratio\u003c\/li\u003e\n  \u003cli\u003eSuitable for stock and mild compression ratios up to 10.5:1\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 KB305.005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 800745130068\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 9.6:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e EVO 80ci\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4.8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 4.6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.75 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 Harley EVO 80ci engines. Optimized for stock and mild compression ratios up to 10.5:1 running on pump fuel.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat compression ratio do these pistons deliver?\u003c\/h3\u003e\n\u003cp\u003eThese pistons are cast for 9.6:1 compression ratio. Suitable for stock or mild builds up to 10.5:1 running on pump fuel.\u003c\/p\u003e\n\u003ch3\u003eWill these pistons fit my big twin engine?\u003c\/h3\u003e\n\u003cp\u003eThese are designed for EVO 80ci air-cooled engines. Verify your engine displacement and year before ordering to ensure compatibility.\u003c\/p\u003e\n\u003ch3\u003eWhy use hypereutectic pistons?\u003c\/h3\u003e\n\u003cp\u003eHypereutectic alloy with 16% silicon provides superior thermal barrier properties and low expansion, allowing tighter clearances for better ring seal and quieter running in air-cooled engines.\u003c\/p\u003e\n\u003ch3\u003eCan I run these on regular fuel?\u003c\/h3\u003e\n\u003cp\u003eYes — these pistons are engineered for pump fuel in stock and mild compression builds. High-boost or nitrous applications require different piston designs.\u003c\/p\u003e","brand":"Kb Pistons","offers":[{"title":"Default Title","offer_id":53035460362351,"sku":"824-01007","price":254.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_4ceabdbe-1118-49f9-94f9-18632889c8d2.png?v=1779561988","url":"https:\/\/vtwinbikers.com\/products\/kb-pistons-hypereutectic-cast-piston-pistons-evo-80ci-9-6-1-005-824-01007","provider":"Vtwinbikers","version":"1.0","type":"link"}