{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"26f2ff1bd0cd","name":"PISTON KIT A 82MM KTM/HUSKY 250 13-22, ATHENA S4F08200005A 276CC BIG BORE, KIT A","sku":"56-K143.82_PIA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":211.94,"formatted":"£211.94"},"summary":"ATHENA Forged Racing Piston Ø 81.95 mm for Athena Big Bore Cylinder S4F08200005A. This 250cc piston kit features a forged construction from a special high-performance aluminum alloy with high silicon content, ensuring reliability, resistance, and excellent performance. It is produced using advanced CNC machining for precise dimensional tolerances. Some piston skirts have a molybdenum disulfide coating to reduce friction. The piston rings are produced in Japan with wear-resistant coatings for increased durability. This kit includes the piston, pin, circlips, and piston rings. Big End Pin Diameter: 16x9x40 mm. Bore Diameter: 81.95 mm. Compression Ratio: 13.5:1. Displacement: 250 cc. Net Weight: 0.22 Kg. Number Of Segments: 2. Piston Pin Type: Biconical. Piston Type: Forged. Intended for competitive use only.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"82mm"},{"label":"Variant Id","value":"252872"}],"image":"https://www.oro2u.com/media/catalog/product/5/6/56-k143-82_pib.jpg","images":["https://www.oro2u.com/media/catalog/product/5/6/56-k143-82_pib.jpg"],"description":"ATHENA Forged Racing Piston Ø 81.95 mm for Athena Big Bore Cylinder S4F08200005A. This 250cc piston kit features a forged construction from a special high-performance aluminum alloy with high silicon content, ensuring reliability, resistance, and excellent performance. It is produced using advanced CNC machining for precise dimensional tolerances. Some piston skirts have a molybdenum disulfide coating to reduce friction. The piston rings are produced in Japan with wear-resistant coatings for increased durability. This kit includes the piston, pin, circlips, and piston rings. Big End Pin Diameter: 16x9x40 mm. Bore Diameter: 81.95 mm. Compression Ratio: 13.5:1. Displacement: 250 cc. Net Weight: 0.22 Kg. Number Of Segments: 2. Piston Pin Type: Biconical. Piston Type: Forged. Intended for competitive use only.","descriptionMarkdown":"### Athena Forged Racing Piston Kit - 82mm Bore\n\nUpgrade your motorcycle's performance with this Athena Forged Racing Piston Kit. Designed for Athena Big Bore Cylinder kits, this piston offers superior reliability and enhanced performance compared to OE components. Manufactured using advanced CNC machining for precision tolerances and a special high-performance aluminum alloy with high silicon content, this piston ensures exceptional durability.\n\nSome Athena pistons feature a molybdenum disulfide coating on the skirts, applied through screen printing, to further reduce friction and improve both performance and longevity. Engineered in Italy and rigorously tested on dynamometers and on the track, Athena pistons meet or exceed original equipment quality standards.\n\nThis comprehensive kit includes the piston, piston pin, circlips, and piston rings. The piston rings are manufactured in Japan with wear-resistant coatings, ensuring increased retention and durability, and are designed to adapt perfectly to the cylinder liner.\n\n**Key Features:**\n\n \n- Piston Type: Forged, crafted from a high-performance aluminum alloy with high silicon content.\n \n- Bore Diameter: 81.95 mm, designed for Athena Big Bore cylinder kits.\n \n- Piston Rings: Two high-quality piston rings with wear-resistant coatings for reduced friction and enhanced durability.\n \n- Included Components: Piston, piston pin, circlips, and piston rings.\n \n- Precision Manufacturing: Produced with cutting-edge CNC machining for dimensional tolerances of less than 0.01 mm.\n \n- Advanced Design: Features a smooth profile for regular airflow and perfect flame propagation.\n \n- Molybdenum Disulfide Coating: Some versions include this coating on the piston skirts to further reduce friction.\n \n- OE Quality: Engineered to meet or exceed original equipment standards for reliability.\n \n- Competitive Use: Products intended for displacements and power exceeding road code regulations are for competitive use only.\n\n**Technical Specifications:**\n\n \n- Big End Pin Diameter: 16x9x40 mm\n \n- Compression Ratio: 13.5:1\n \n- Displacement: 276 cc (when used with the Athena Big Bore Cylinder kit)\n \n- Net Weight: 0.22 Kg\n \n- Number Of Segments (Piston Rings): 2\n \n- Piston Pin Type: Biconical","weightGrams":null,"fitments":[{"make":"HUSQVARNA","model":"FC 250","cc":null,"notes":null,"years":"2014–2021"},{"make":"HUSQVARNA","model":"FE 250","cc":null,"notes":null,"years":"2014–2019"},{"make":"KTM","model":"250 EXC-F","cc":null,"notes":null,"years":"2014–2019"},{"make":"KTM","model":"250 SX-F","cc":null,"notes":null,"years":"2013–2021"},{"make":"KTM","model":"250 XC-F","cc":null,"notes":null,"years":"2016–2021"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-a-82mm-ktmhusky-250-13-22-athena-s4f08200005a-276cc-big-bore-kit-a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/26f2ff1bd0cd:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/26f2ff1bd0cd:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. 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Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}