{"product_id":"kb-pistons-hypereutectic-cast-piston-pistons-evo-80ci-9-6-1-020-824-01009","title":"Kb Pistons Hypereutectic Cast Piston - Pistons EVO 80ci 9.6:1 .020 — Harley-Davidson (1984-1999)","description":"\u003cp\u003eKB Pistons Hypereutectic cast piston for Harley EVO 80ci engines, engineered with 16% silicon content for superior thermal properties and minimal expansion. Delivers tight piston-to-wall clearances, optimal ring seal, and quieter operation in stock and mild compression builds up to 10.5:1 on pump fuel.\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 clearances\u003c\/li\u003e\n  \u003cli\u003eIdeal for air-cooled EVO engines\u003c\/li\u003e\n  \u003cli\u003eStock to 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 KB305.020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 800745130082\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e EVO 80ci\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 9.6:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversized:\u003c\/strong\u003e .020 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.8 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 Harley-Davidson air-cooled EVO 80-cubic-inch engines. Optimized for stock through mild-compression applications running on pump fuel.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this piston work with my high-compression EVO build?\u003c\/h3\u003e\n\u003cp\u003eNo — KB Hypereutectic pistons are rated for compression ratios up to 10.5:1. High-compression builds over 10.5:1 require sintered or forged pistons.\u003c\/p\u003e\n\u003ch3\u003eWhat compression ratio does this piston deliver?\u003c\/h3\u003e\n\u003cp\u003e9.6:1 compression with stock cylinder heads. Final ratio depends on your complete cylinder and head combination.\u003c\/p\u003e\n\u003ch3\u003eIs this a .020 oversized piston?\u003c\/h3\u003e\n\u003cp\u003eYes — this is a .020-inch oversized piston, requiring cylinders bored .020 over stock.\u003c\/p\u003e\n\u003ch3\u003eWhy choose hypereutectic over forged?\u003c\/h3\u003e\n\u003cp\u003eHypereutectic pistons offer lower cost, adequate durability for stock-to-mild engines, and excellent ring seal with minimal noise. Forged pistons are stronger but more expensive and better suited for high-compression or high-RPM builds.\u003c\/p\u003e","brand":"Kb Pistons","offers":[{"title":"Default Title","offer_id":53035461214319,"sku":"824-01009","price":254.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_db1e0c7b-29e5-4b01-8b05-21152a071e69.png?v=1779561983","url":"https:\/\/vtwinbikers.com\/products\/kb-pistons-hypereutectic-cast-piston-pistons-evo-80ci-9-6-1-020-824-01009","provider":"Vtwinbikers","version":"1.0","type":"link"}