{"product_id":"kb-pistons-hypereutectic-cast-piston-pistons-twin-cam-88ci-8-8-1-020-824-01353","title":"Kb Pistons Hypereutectic Cast Piston - Pistons Twin CAM 88ci 8.8:1 .020 — Harley-Davidson Road King, Road King Classic, Electra Glide (1999-2007)","description":"\u003cp\u003eKB Pistons Hypereutectic cast piston for Twin CAM 88ci engines with 8.8:1 compression ratio and .020 oversized bore. Cast from a 16% silicon alloy that resists thermal expansion, allowing tight piston-to-cylinder clearances ideal for air-cooled motors running stock to mild tune 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\u003eReduced wear and quieter engine operation\u003c\/li\u003e\n  \u003cli\u003eSuited for stock 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 KB425C.020\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 800745067739\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e .020 oversized\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 8.8:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e Twin CAM 88ci\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 2.5 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 Twin CAM 88ci air-cooled engines. Best suited for stock or 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 is this piston rated for?\u003c\/h3\u003e\n\u003cp\u003e8.8:1 compression ratio. These hypereutectic pistons are best suited for stock or mild tunes up to 10.5:1 on pump fuel.\u003c\/p\u003e\n\u003ch3\u003eWhy hypereutectic over forged pistons?\u003c\/h3\u003e\n\u003cp\u003eHypereutectic alloy has 16% silicon content, offering high thermal barrier properties and low expansion rates. Ideal for air-cooled engines with tight clearances and reduced wear.\u003c\/p\u003e\n\u003ch3\u003eIs this a .020 oversized piston?\u003c\/h3\u003e\n\u003cp\u003eYes — this is a .020 oversized bore piston (KB425C.020). Confirm your cylinder bore size before ordering.\u003c\/p\u003e\n\u003ch3\u003eDoes this piston require any special installation procedures?\u003c\/h3\u003e\n\u003cp\u003eFollow the manufacturer's guidelines for piston ring gap, clearance, and installation torque specifications.\u003c\/p\u003e","brand":"Kb Pistons","offers":[{"title":"Default Title","offer_id":53035464163439,"sku":"824-01353","price":283.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_9acf7f58-7137-4a74-b45b-71af599cfb92.png?v=1779561765","url":"https:\/\/vtwinbikers.com\/products\/kb-pistons-hypereutectic-cast-piston-pistons-twin-cam-88ci-8-8-1-020-824-01353","provider":"Vtwinbikers","version":"1.0","type":"link"}