{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"053d4c38dde3","name":"TOP END PISTON & GASKET KIT 79MM HONDA CRF 250 18-19, ATHENA P5F0790319001A, SET A","sku":"56-T1014.A_ATH","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":237.06,"formatted":"£237.06"},"summary":"Athena Top End Piston Kit includes a forged 4-stroke piston Ø 78.95 mm and top end gasket kit. The pistons are made from a special high-performance aluminum alloy with high silicon content, produced with numerical control (CNC) machines, and feature a molybdenum disulfide coating on some skirts to reduce friction. Piston rings are Made in Japan with wear-resistant coatings (PVD or chromium nitride) for increased durability. Athena gasket kits are developed with over 40 years of experience, using advanced technology and high-quality raw materials to ensure sealing and reliability. Technical features: Big End Pin Diameter 16x9x39.9 mm, Bore Diameter 78.95 mm, Compression Height 18.90 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":"309814"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1014_2EA_5FATH/e13e5825a21ac701.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1014_2EA_5FATH/e13e5825a21ac701.jpg"],"description":"Athena Top End Piston Kit includes a forged 4-stroke piston Ø 78.95 mm and top end gasket kit. The pistons are made from a special high-performance aluminum alloy with high silicon content, produced with numerical control (CNC) machines, and feature a molybdenum disulfide coating on some skirts to reduce friction. Piston rings are Made in Japan with wear-resistant coatings (PVD or chromium nitride) for increased durability. Athena gasket kits are developed with over 40 years of experience, using advanced technology and high-quality raw materials to ensure sealing and reliability. Technical features: Big End Pin Diameter 16x9x39.9 mm, Bore Diameter 78.95 mm, Compression Height 18.90 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 Kit for CRF 250\n\nThis Athena Top End Piston Kit combines a high-performance forged piston with a complete top end gasket set, offering a perfectly matched solution for engine rebuilds. Designed for optimal performance and reliability, this kit ensures your engine components work in harmony for superior results.\n\nAthena meticulously develops and tests all piston technologies and materials in-house, while also engineering compatible gaskets. This integrated approach results in a kit that delivers high performance and maximum reliability after a piston replacement.\n\n#### Key Features:\n\n \n- Forged 4-Stroke Piston: Manufactured using reverse extrusion and advanced CNC machinery from a special high-performance aluminum alloy with high silicon content. This ensures OE-level reliability with enhanced strength and performance.\n \n- Optimized Piston Profile: 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, 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) for reduced friction against the cylinder, leading to higher performance and extended durability.\n \n- Reliable Gasket Set: Developed with over 40 years of industry experience, Athena gaskets are known for their reliability. Produced following strict manufacturer parameters using state-of-the-art laser cutting technology for perfect precision.\n \n- Advanced Gasket Materials: Athena utilizes a wide range of raw materials, employs surface treatments to correct irregularities, and follows material stress-relieving processes for improved sealing in critical areas.\n\n#### Technical Specifications:\n\n \n- Piston Type: Forged\n \n- Bore Diameter: 78.95 mm\n \n- Number Of Segments: 2\n \n- Compression Ratio: 13.9:1\n \n- Displacement: 250 cc\n \n- Piston Pin Type: Biconical\n \n- Big End Pin Diameter: 16x9x39.9 mm\n \n- Compression Height: 18.90 mm","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-gasket-kit-79mm-honda-crf-250-18-19-athena-p5f0790319001a-set-a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/053d4c38dde3:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/053d4c38dde3:1"}},"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."]}}