{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"43b452f8da82","name":"TOP END PISTON & GASKET KIT 78MM KTM SX-F 250 16-22, ATHENA P5F0780078002C, SET C","sku":"56-T1012.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 for 250cc engines, featuring a forged 4-stroke piston with a bore diameter of 77.98 mm and a top end gasket kit. This kit combines two essential engine components for excellent performance and reliability. The pistons are manufactured using reverse extrusion and state-of-the-art CNC machines 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) for increased durability. Athena gasket kits are developed with extensive experience and technological advancements, ensuring perfect cutting quality and reliable sealing. Technical features include a Big End Pin Diameter of 16x9x38.2 mm, Compression Height of 19.50 mm, Compression Ratio of 14.4:1, and standard piston pin type. This product is intended for competitive use only.","attributes":[{"label":"Variant Id","value":"309810"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1012_2EC_5FATH/4144739ef1cafea2.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1012_2EC_5FATH/4144739ef1cafea2.jpg"],"description":"ATHENA Top End Piston Kit for 250cc engines, featuring a forged 4-stroke piston with a bore diameter of 77.98 mm and a top end gasket kit. This kit combines two essential engine components for excellent performance and reliability. The pistons are manufactured using reverse extrusion and state-of-the-art CNC machines 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) for increased durability. Athena gasket kits are developed with extensive experience and technological advancements, ensuring perfect cutting quality and reliable sealing. Technical features include a Big End Pin Diameter of 16x9x38.2 mm, Compression Height of 19.50 mm, Compression Ratio of 14.4:1, and standard piston pin type. This product is intended for competitive use only.","descriptionMarkdown":"### Athena Top End Piston and Gasket Kit\n\nExperience peak performance and unwavering reliability with the Athena Top End Piston and Gasket Kit. This comprehensive kit combines a high-performance forged piston with a precisely engineered top-end gasket set, offering a perfectly tuned solution for your engine's needs.\n\nAthena meticulously develops and tests all piston technologies and materials in-house, ensuring exceptional quality and compatibility with their engineered gasket sets. This integrated approach guarantees superior performance and maximum durability after your engine rebuild.\n\n#### Key Features:\n\n \n- Forged 4-Stroke Piston: Crafted using state-of-the-art CNC machines from a special high-performance aluminum alloy with a high silicon content. This ensures OE-level reliability with enhanced resistance and excellent performance.\n \n- Optimized Piston Profile: Features a perfectly smooth profile for regular airflow and ideal flame propagation. Some piston skirts include a molybdenum disulfide coating applied by screen printing to reduce friction, further boosting performance and durability.\n \n- High-Quality Piston Rings: Includes two \"Made in Japan\" piston rings with wear-resistant coatings (PVD or chromium nitride) designed to minimize friction with the cylinder, increasing power output and extending lifespan.\n \n- Reliable Gasket Set: Based on over 40 years of industry experience, Athena gaskets are developed with constant technological advancement and produced to strict manufacturer parameters. Latest-generation lasers ensure perfect cutting accuracy.\n \n- Advanced Sealing Technology: Athena utilizes a wide availability of raw materials and employs surface treatments to compensate for irregularities and material stress-relieving processes for improved sealing in critical areas.\n\n#### Technical Specifications:\n\n \n- Piston Bore Diameter: 77.98 mm\n \n- Compression Height: 19.50 mm\n \n- Compression Ratio: 14.4:1\n \n- Displacement: 250 cc\n \n- Number of Piston Rings: 2\n \n- Piston Type: Forged\n \n- Piston Pin Type: Standard\n \n- Big End Pin Diameter: 16x9x38.2 mm\n\n_All Athena products designed for displacement and power exceeding local road code regulations are intended for competitive use only. Athena disclaims all responsibility for any use of the product contrary to national regulations. Guarantees of compliance may not apply to products intended for competitive sports use or high-performance applications unless a clear defect is present._","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-gasket-kit-78mm-ktm-sx-f-250-16-22-athena-p5f0780078002c-set-c","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/43b452f8da82:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/43b452f8da82:1"}},"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."]}}