{"product_id":"kb-pistons-hypereutectic-cast-piston-pistons-tc88-to-95ci-10-5-1-005-824-01368","title":"Kb Pistons Hypereutectic Cast Piston - Pistons Tc88 TO 95ci 10.5:1 .005 — Harley-Davidson Road King, Road King Classic, Electra Glide (1999-2007)","description":"\u003cp\u003eKB Pistons Hypereutectic cast piston set for Twin Cam 88 to 95ci engines at 10.5:1 compression ratio. Built from 16% silicon hypereutectic alloy for tight piston-to-cylinder clearances, reduced wear, and quieter operation in air-cooled Harley engines running stock or mild boost on 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 for tight ring seal\u003c\/li\u003e\n  \u003cli\u003eIdeal for stock and mild compression ratios\u003c\/li\u003e\n  \u003cli\u003eReduced engine noise and wear\u003c\/li\u003e\n  \u003cli\u003eAir-cooled engine optimized\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 KB411.005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 800745152268\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e Twin Cam 88 to 95ci\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.5:1\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 3.1 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 88 to 95ci engine builds running 10.5:1 compression or lower.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat compression ratio are these pistons rated for?\u003c\/h3\u003e\n\u003cp\u003e10.5:1 and lower. They are not suitable for high-boost or nitrous applications exceeding this ratio.\u003c\/p\u003e\n\u003ch3\u003eWhy hypereutectic instead of forged?\u003c\/h3\u003e\n\u003cp\u003eHypereutectic alloy is ideal for air-cooled engines because the high silicon content reduces thermal expansion, allowing tighter piston-to-wall clearances and better ring seal without the noise of forged pistons.\u003c\/p\u003e\n\u003ch3\u003eCan I run these on pump fuel?\u003c\/h3\u003e\n\u003cp\u003eYes — hypereutectic pistons at 10.5:1 compression are designed for stock gasoline without requiring high-octane fuel.\u003c\/p\u003e\n\u003ch3\u003eAre these pistons supplied as a complete set?\u003c\/h3\u003e\n\u003cp\u003eVerify the quantity with your order. Piston kits typically include all pistons, pins, and clips needed for a complete engine build.\u003c\/p\u003e","brand":"Kb Pistons","offers":[{"title":"Default Title","offer_id":53035465146479,"sku":"824-01368","price":319.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_0a1e6936-93c3-4dac-98c5-af6f6e0bd6f8.png?v=1779565613","url":"https:\/\/vtwinbikers.com\/products\/kb-pistons-hypereutectic-cast-piston-pistons-tc88-to-95ci-10-5-1-005-824-01368","provider":"Vtwinbikers","version":"1.0","type":"link"}