{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"95444ba71702","name":"TOP END PISTON & GASKET KIT 78MM KTM EXC-F 250 17-19, ATHENA P5F0780078001C, SET C","sku":"56-T1011.C_ATH","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":213,"formatted":"£213.00"},"summary":"ATHENA Top End Piston Kit includes a forged 4-stroke piston and top end gasket kit. The piston is manufactured from a special high-performance aluminum alloy with a high silicon content, produced with numerical control (CNC) machines. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction. The included piston rings are made in Japan and have wear-resistant coatings (PVD or chromium nitride) for increased durability. Athena gasket kits are developed with extensive experience and are produced following strict manufacturer parameters using laser cutting. Technical specifications: Big End Pin Diameter 16x9x38.2 mm, Bore Diameter 77.97 mm, Compression Height 19.40 mm, Compression Ratio 13.9:1, Displacement 250 cc, Number Of Segments 2, Piston Pin Type Biconical, Piston Type Forged. For competitive use only.","attributes":[{"label":"Variant Id","value":"309807"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1011_2EC_5FATH/458ce90ce8486f18.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1011_2EC_5FATH/458ce90ce8486f18.jpg"],"description":"ATHENA Top End Piston Kit includes a forged 4-stroke piston and top end gasket kit. The piston is manufactured from a special high-performance aluminum alloy with a high silicon content, produced with numerical control (CNC) machines. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction. The included piston rings are made in Japan and have wear-resistant coatings (PVD or chromium nitride) for increased durability. Athena gasket kits are developed with extensive experience and are produced following strict manufacturer parameters using laser cutting. Technical specifications: Big End Pin Diameter 16x9x38.2 mm, Bore Diameter 77.97 mm, Compression Height 19.40 mm, Compression Ratio 13.9:1, Displacement 250 cc, Number Of Segments 2, Piston Pin Type Biconical, Piston Type Forged. For competitive use only.","descriptionMarkdown":"### Athena Top End Piston and Gasket Kit\n\n This comprehensive kit combines a high-performance forged 4-stroke piston with a complete top-end gasket set, designed for optimal engine performance and reliability. Athena meticulously develops and tests all piston technologies and compatible gasket materials in-house to ensure a perfectly tuned combination for excellent results.\n\n#### Key Features:\n\n \n- Forged 4-Stroke Piston: Crafted from a special high-performance aluminum alloy with a high silicon content for superior reliability, resistance, and performance. Produced using state-of-the-art CNC machines.\n \n- Advanced Piston Design: Features a smooth profile for regular airflow and perfect flame propagation. Some piston skirts include a molybdenum disulfide coating applied by screen printing to reduce friction and enhance durability.\n \n- High-Quality Piston Rings: Made in Japan, these rings offer reduced friction with the cylinder for higher performance. They feature wear-resistant coatings (PVD or chromium nitride) for increased longevity.\n \n- Reliable Gasket Set: Developed with over 40 years of industry experience, Athena gaskets are known for their reliability. Manufactured following strict OEM parameters using latest-generation laser cutting for precise quality.\n \n- Enhanced Sealing: Utilizes a wide availability of raw materials, surface treatments to correct imperfections, and material stress-relieving processes for improved sealing in critical areas.\n \n- Kit Contents: Includes one forged piston and a complete top-end gasket kit.\n\n#### Technical Specifications:\n\n \n- Piston Type: Forged\n \n- Bore Diameter: 77.97 mm\n \n- Number of Rings: 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-250-17-19-athena-p5f0780078001c-set-c","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/95444ba71702:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/95444ba71702:1"}},"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."]}}