{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ca3fb61a028f","name":"TOP END PISTON & GASKET KIT 78MM KTM SX-F/XC-F 250 13-15, ATHENA P5F0780063001C, SET C","sku":"56-T1008.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 a top end gasket kit. The piston has a bore diameter of 77.97 mm and a forged construction from a special high-performance aluminum alloy with high silicon content. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction. The kit includes two Japanese-made piston rings with wear-resistant coatings (PVD or chromium nitride). Athena gasket kits are developed with extensive experience and use advanced laser cutting technology. Technical features: 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.","attributes":[{"label":"Variant Id","value":"309798"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1008_2EC_5FATH/acd6264872de4b64.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1008_2EC_5FATH/acd6264872de4b64.jpg"],"description":"Athena Top End Piston Kit includes a forged 4-stroke piston and a top end gasket kit. The piston has a bore diameter of 77.97 mm and a forged construction from a special high-performance aluminum alloy with high silicon content. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction. The kit includes two Japanese-made piston rings with wear-resistant coatings (PVD or chromium nitride). Athena gasket kits are developed with extensive experience and use advanced laser cutting technology. Technical features: 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.","descriptionMarkdown":"### Athena Top End Piston & Gasket Kit for 250cc Motorcycles\n\nEnhance your motorcycle's engine performance and reliability with the Athena Top End Piston Kit. This comprehensive kit combines a high-performance forged piston with a complete top-end gasket set, designed for a perfect fit and optimal engine function. Athena meticulously develops and tests all piston technologies and materials in-house, ensuring compatibility and superior performance when paired with their engineered gasket sets.\n\n**Key Features:**\n\n \n- Forged 4-Stroke Piston: Manufactured using advanced CNC machinery from a special high-performance aluminum alloy with a high silicon content for exceptional durability and performance, matching OE piston reliability while offering increased strength.\n \n- Optimized Profile: The piston's smooth profile promotes regular airflow and perfect flame propagation for improved combustion efficiency.\n \n- Friction Reduction: Some piston skirts feature a molybdenum disulfide coating applied via screen printing to further reduce friction, boosting performance and longevity.\n \n- Premium Piston Rings: Includes Japanese-made piston rings with wear-resistant coatings (PVD or chromium nitride) to minimize friction with the cylinder, thereby increasing performance and extending durability.\n \n- Reliable Gasket Set: Based on over 40 years of industry experience, Athena gasket kits are engineered with constant technological development and produced to strict manufacturer parameters.\n \n- Precision Sealing: Utilizes latest-generation lasers for perfect cutting quality and employs surface treatments and material stress-relieving processes to ensure optimal 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 Piston Rings: 2\n \n- Piston Pin Type: Biconical\n \n- Compression Height: 19.40 mm\n \n- Compression Ratio: 13.9:1\n \n- Big End Pin Diameter: 16x9x38.2 mm\n \n- Displacement: 250 cc\n\n**Note:** Products designed for competitive use or high-performance applications may not be covered by standard warranty unless a clear manufacturing fault is present. Always ensure proper installation and adhere to local regulations regarding vehicle modifications.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-gasket-kit-78mm-ktm-sx-fxc-f-250-13-15-athena-p5f0780063001c-set-","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ca3fb61a028f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ca3fb61a028f: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."]}}