{"product_id":"kb-pistons-forged-alloy-piston-pistons-evo-80ci-10-5-1-010-824-01614","title":"Kb Pistons Forged Alloy Piston - Pistons EVO 80ci 10.5:1 .010 — Harley-Davidson (1984-1999)","description":"\u003cp\u003eKB Pistons forged 4032 alloy pistons for EVO 80ci engines at 10.5:1 compression with .010 oversized bore. Made from 4032 forged alloy with 11% silicon content for superior crack resistance under detonation and pre-ignition in high-output street or race applications.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4032 forged alloy with 11% silicon content\u003c\/li\u003e\n  \u003cli\u003eForged and fully machined construction\u003c\/li\u003e\n  \u003cli\u003eSuperior crack resistance under detonation\u003c\/li\u003e\n  \u003cli\u003eCoated skirts on Twin Cam and Sportster applications\u003c\/li\u003e\n  \u003cli\u003eRings, wrist pins, and wrist pin locks included\u003c\/li\u003e\n  \u003cli\u003eSold as a pair\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 KB921C.010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 800745155375\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.5:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e .010 oversized\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 9.4 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\u003eDesigned for EVO 80ci engines in street or race applications with power adders such as NOS or boost.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat's included with these pistons?\u003c\/h3\u003e\n\u003cp\u003eThe pair of pistons, piston rings, wrist pins, and wrist pin locks are all included. No additional ordering needed.\u003c\/p\u003e\n\u003ch3\u003eCan I use replacement rings later?\u003c\/h3\u003e\n\u003cp\u003eReplacement rings for these pistons are available as special order through KB Pistons.\u003c\/p\u003e\n\u003ch3\u003eWhy is the compression ratio 10.5:1?\u003c\/h3\u003e\n\u003cp\u003eThis higher compression ratio is designed to handle boost and NOS power adders while maintaining stable detonation resistance.\u003c\/p\u003e\n\u003ch3\u003eDo I need to order wrist pin locks separately?\u003c\/h3\u003e\n\u003cp\u003eNo — wrist pin locks are included. Note that you need 2 locks per piston (4 total for a pair).\u003c\/p\u003e\n\u003ch3\u003eAre these pistons street-legal?\u003c\/h3\u003e\n\u003cp\u003eThese pistons are suitable for both street and race applications. Local regulations may apply — verify with your tuner or engine builder.\u003c\/p\u003e","brand":"Kb Pistons","offers":[{"title":"Default Title","offer_id":53035469013103,"sku":"824-01614","price":313.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_bf5a62e1-55c7-4eba-8e05-a155cdf6cc96.png?v=1779562013","url":"https:\/\/vtwinbikers.com\/products\/kb-pistons-forged-alloy-piston-pistons-evo-80ci-10-5-1-010-824-01614","provider":"Vtwinbikers","version":"1.0","type":"link"}