{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1e2b2c899153","name":"TOP END PISTON & GASKET KIT 78MM KTM EXC-F 250 14-16, ATHENA P5F0780074001C, SET C","sku":"56-T1010.C_ATH","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":240.12,"formatted":"£240.12"},"summary":"ATHENA Top End Piston Kit includes a forged 4-stroke piston and top end gasket kit. The piston features a special high-performance aluminum alloy with high silicon content, produced with state-of-the-art CNC machines. Piston rings are made in Japan with wear-resistant coatings (PVD or chromium nitride) for increased durability. Gasket kits are developed with extensive experience and technological advancement, utilizing precise laser cutting and advanced materials for optimal sealing.\n\nTechnical features:\nBig End Pin Diameter: 16x9x38.2 mm\nBore Diameter: 77.97 mm\nCompression Height: 19.40 mm\nCompression Ratio: 13.9:1\nDisplacement: 250 cc\nNumber Of Segments: 2\nPiston Pin Type: Biconical\nPiston Type: Forged","attributes":[{"label":"Variant Id","value":"309804"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1010_2EC_5FATH/c1856457fea254fe.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1010_2EC_5FATH/c1856457fea254fe.jpg"],"description":"ATHENA Top End Piston Kit includes a forged 4-stroke piston and top end gasket kit. The piston features a special high-performance aluminum alloy with high silicon content, produced with state-of-the-art CNC machines. Piston rings are made in Japan with wear-resistant coatings (PVD or chromium nitride) for increased durability. Gasket kits are developed with extensive experience and technological advancement, utilizing precise laser cutting and advanced materials for optimal sealing.\n\nTechnical features:\nBig End Pin Diameter: 16x9x38.2 mm\nBore Diameter: 77.97 mm\nCompression Height: 19.40 mm\nCompression Ratio: 13.9:1\nDisplacement: 250 cc\nNumber Of Segments: 2\nPiston Pin Type: Biconical\nPiston Type: Forged","descriptionMarkdown":"### Athena Top End Piston and Gasket Kit - Enhance Your Engine's Performance\n\nThis Athena Top End Piston Kit provides the perfect combination of essential engine components for your motorcycle. Included in this comprehensive set is a high-performance forged 4-stroke piston and a precision-engineered top end gasket kit. Athena meticulously studies, develops, and tests all piston technologies and materials internally, while also engineering the entire development of compatible gaskets. This integrated approach ensures a perfectly tuned kit that delivers superior performance and maximum reliability after piston replacement.\n\n### Key Features and Benefits:\n\n \n- Forged 4-Stroke Piston: Manufactured using state-of-the-art numerical control (CNC) machines from a special high-performance aluminum alloy with a high silicon content. This provides OE-level reliability with enhanced resistance and excellent performance.\n \n- Optimized Profile: The piston features a perfectly smooth profile designed to ensure a regular flow and perfect flame propagation.\n \n- Friction Reduction: Some piston skirts are treated with a molybdenum disulfide coating applied by screen printing, further reducing friction to boost performance and durability.\n \n- High-Quality Piston Rings: Made in Japan, the included piston rings offer reduced friction with the cylinder for higher performance. They feature wear-resistant coatings (PVD or chromium nitride) to increase their lifespan and durability.\n \n- Reliable Gasket Kit: Developed with over 40 years of industry experience, Athena gasket kits are renowned for their reliability. They are produced following strict manufacturer parameters, utilizing the latest generation lasers for perfect cutting quality.\n \n- Advanced Sealing: Athena employs a wide availability of raw materials, performs surface treatments to compensate for irregularities, and follows material stress-relieving processes to improve sealing in critical areas.\n\n### Technical Specifications:\n\n \n- Piston Type: Forged\n \n- Bore Diameter: 77.97 mm\n \n- Number Of Segments: 2\n \n- Piston Pin Type: Biconical\n \n- Compression Height: 19.40 mm\n \n- Compression Ratio: 13.9:1\n \n- Displacement: 250 cc\n \n- Big End Pin Diameter: 16x9x38.2 mm","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-gasket-kit-78mm-ktm-exc-f-250-14-16-athena-p5f0780074001c-set-c","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1e2b2c899153:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1e2b2c899153:1"}},"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. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. 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."]}}