{"product_id":"kb-pistons-hypereutectic-cast-piston-pistons-tc88-to-95ci-9-3-1-std-824-01361","title":"Kb Pistons Hypereutectic Cast Piston - Pistons Tc88 TO 95ci 9.3:1 STD — Harley-Davidson Road King, Road King Classic, Electra Glide (1999-2007)","description":"\u003cp\u003eKB Pistons Hypereutectic cast pistons for Twin Cam 88 to 95ci air-cooled engines at stock bore. Cast with 16% silicon content for low thermal expansion and tight piston-to-wall clearances, delivering quieter operation and reduced wear in stock or mild compression ratios up to 10.5:1.\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\u003eTight piston-to-cylinder clearances\u003c\/li\u003e\n  \u003cli\u003eSuitable for stock to mild compression up to 10.5:1\u003c\/li\u003e\n  \u003cli\u003eAir-cooled engine optimization\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 KB348.STD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 800745068392\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e Twin Cam 88 to 95ci\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 9.3:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9.6 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 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 engines at standard bore.\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\u003eThese hypereutectic pistons are best suited for stock or mild compression ratios up to 10.5:1 running on pump fuel.\u003c\/p\u003e\n\u003ch3\u003eWill these work in my big-bore 98ci or 103ci engine?\u003c\/h3\u003e\n\u003cp\u003eNo — these pistons are sized for Twin Cam 88 to 95ci displacement at standard bore. Larger displacements require different piston sizes.\u003c\/p\u003e\n\u003ch3\u003eWhy hypereutectic over forged pistons?\u003c\/h3\u003e\n\u003cp\u003eHypereutectic alloy's low thermal expansion allows tighter clearances in air-cooled engines, reducing noise and wear while costing less than forged options.\u003c\/p\u003e\n\u003ch3\u003eDo I need to re-ring my engine?\u003c\/h3\u003e\n\u003cp\u003eYes — new piston kits typically include rings and wrist pins. Consult the KB instructions or your engine builder for proper ring end-gap setup.\u003c\/p\u003e\n\u003ch3\u003eCan I run higher compression with these pistons?\u003c\/h3\u003e\n\u003cp\u003eNot recommended above 10.5:1 on pump fuel. For high-compression builds, KB offers forged piston alternatives.\u003c\/p\u003e","brand":"Kb Pistons","offers":[{"title":"Default Title","offer_id":53035464949871,"sku":"824-01361","price":307.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_b20a5f9c-c7b0-4e54-ab4a-abbf337b2465.png?v=1779561847","url":"https:\/\/vtwinbikers.com\/products\/kb-pistons-hypereutectic-cast-piston-pistons-tc88-to-95ci-9-3-1-std-824-01361","provider":"Vtwinbikers","version":"1.0","type":"link"}