{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"23b0427299f7","name":"TOP END PISTON & GASKET KIT 78MM KTM SX-F 250 16-22, ATHENA P5F0780078002B, SET B","sku":"56-T1012.B_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 P5F0780078002B includes a forged 4-stroke piston with a 77.97 mm bore diameter and a top end gasket kit. The piston is made from a special high-performance aluminum alloy with high silicon content, produced using state-of-the-art CNC machines, offering high reliability, resistance, and performance. 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 for increased durability. The Athena gasket kits are developed with extensive experience and technological advancement, ensuring perfect cutting quality and improved sealing. Technical features: Big End Pin Diameter 16x9x38.2 mm, Bore Diameter 77.97 mm, Compression Height 19.50 mm, Compression Ratio 14.4:1, Displacement 250 cc, Number Of Segments 2, Piston Pin Type Standard, Piston Type Forged. All Athena products produced for greater displacement and power than road code allow are intended exclusively for competitive use.","attributes":[{"label":"Variant Id","value":"309809"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1012_2EB_5FATH/4144739ef1cafea2.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1012_2EB_5FATH/4144739ef1cafea2.jpg"],"description":"ATHENA Top End Piston Kit P5F0780078002B includes a forged 4-stroke piston with a 77.97 mm bore diameter and a top end gasket kit. The piston is made from a special high-performance aluminum alloy with high silicon content, produced using state-of-the-art CNC machines, offering high reliability, resistance, and performance. 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 for increased durability. The Athena gasket kits are developed with extensive experience and technological advancement, ensuring perfect cutting quality and improved sealing. Technical features: Big End Pin Diameter 16x9x38.2 mm, Bore Diameter 77.97 mm, Compression Height 19.50 mm, Compression Ratio 14.4:1, Displacement 250 cc, Number Of Segments 2, Piston Pin Type Standard, Piston Type Forged. All Athena products produced for greater displacement and power than road code allow are intended exclusively for competitive use.","descriptionMarkdown":"### Athena Top End Piston and Gasket Kit\n\n This Athena Top End Piston Kit offers a perfect combination of essential engine components designed for high performance and maximum reliability. The kit includes a forged 4-stroke piston and a compatible top-end gasket set, ensuring seamless integration and optimal engine function. Athena develops and tests all piston technologies and materials internally, alongside engineering the development of their compatible gaskets, providing a perfectly tuned kit for demanding applications.\n\n#### Key Features:\n\n \n- Forged 4-Stroke Piston: Manufactured using state-of-the-art numerical control (CNC) machines with a special high-performance aluminum alloy with high silicon content. This ensures OE piston reliability while providing greater resistance and excellent performance. The smooth piston profile promotes regular flow and perfect flame propagation. Some pistons feature a molybdenum disulfide coating on the skirts to further reduce friction, enhancing performance and durability.\n \n- High-Quality Piston Rings: Includes two piston rings Made in Japan with wear-resistant coatings (PVD or chromium nitride) to increase retention and durability, leading to less friction with the cylinder and higher performance.\n \n- Reliable Gasket Set: Developed with over 40 years of experience, Athena gasket kits are built on solid know-how and constant technological development. Produced following strict manufacturer parameters, with perfect cutting quality achieved using the latest generation lasers. Athena utilizes a wide availability of raw materials, performs surface treatments to compensate for irregularities, and employs 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: Standard\n \n- Big End Pin Diameter: 16x9x38.2 mm\n \n- Compression Height: 19.50 mm\n \n- Compression Ratio: 14.4:1\n \n- Displacement: 250 cc\n\n Note: Products produced for displacements and power greater than those permitted by road codes are intended exclusively for competitive use. Athena declines 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 faultiness 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-p5f0780078002b-set-b","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/23b0427299f7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/23b0427299f7:1"}},"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."]}}