{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1ba8ec2fd3df","name":"TOP END PISTON & GASKET KIT 79MM HONDA CRF 250 20-21, ATHENA P5F0790319002C, SET C","sku":"56-T1015.C_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 and top end gasket kit. Piston diameter is 78.97 mm. Pistons are made from a special high-performance aluminum alloy with high silicon content, produced with numerical control (CNC) machines. Some pistons have a molybdenum disulfide coating to reduce friction. Piston rings are Made in Japan with wear-resistant coatings (PVD or chromium nitride) to increase durability. Athena gasket kits are based on internal development and adhere to manufacturer parameters. Technical features: Bore Diameter 78.97 mm, Compression Height 18.70 mm, Compression Ratio 14.1:1, Displacement 250 cc, Number Of Segments 2, Piston Pin Type Biconical, Piston Type Forged.","attributes":[{"label":"Variant Id","value":"309819"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1015_2EC_5FATH/bd0f9c5757323c91.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1015_2EC_5FATH/bd0f9c5757323c91.jpg"],"description":"ATHENA Top End Piston Kit includes a forged 4-stroke piston and top end gasket kit. Piston diameter is 78.97 mm. Pistons are made from a special high-performance aluminum alloy with high silicon content, produced with numerical control (CNC) machines. Some pistons have a molybdenum disulfide coating to reduce friction. Piston rings are Made in Japan with wear-resistant coatings (PVD or chromium nitride) to increase durability. Athena gasket kits are based on internal development and adhere to manufacturer parameters. Technical features: Bore Diameter 78.97 mm, Compression Height 18.70 mm, Compression Ratio 14.1:1, Displacement 250 cc, Number Of Segments 2, Piston Pin Type Biconical, Piston Type Forged.","descriptionMarkdown":"### Athena Top End Piston and Gasket Kit for Honda CRF 250\n\nThis Athena Top End Piston Kit provides the perfect combination of a forged 4-stroke piston and a complete top-end gasket set for your Honda CRF 250. Engineered for optimal performance and reliability, this kit is developed and tested in-house by Athena, ensuring seamless integration and superior results.\n\nThe forged piston is manufactured using state-of-the-art CNC machines from a special high-performance aluminum alloy with a high silicon content. This design guarantees OE-level reliability while offering enhanced resistance and excellent performance. Some piston skirts feature a molybdenum disulfide coating applied by screen printing to further reduce friction, boosting performance and durability.\n\nIncluded are high-quality piston rings made in Japan with wear-resistant coatings (PVD or chromium nitride) to increase longevity and maintain performance. The Athena gasket kits are built upon over 40 years of industry experience, utilizing constant technological development and strict adherence to manufacturer parameters. Advanced laser cutting ensures precision, and the use of the latest generation materials, surface treatments, and stress-relieving processes guarantee exceptional sealing in critical areas.\n\n#### Key Features:\n\n \n- Forged 4-stroke piston for increased strength and performance.\n \n- High-performance aluminum alloy with high silicon content.\n \n- Optional molybdenum disulfide coating on some piston skirts for reduced friction.\n \n- Made in Japan piston rings with wear-resistant coatings for durability.\n \n- Comprehensive top-end gasket kit for a complete engine seal.\n \n- Engineered for perfect integration and maximum reliability.\n\n#### Technical Specifications:\n\n \n- Bore Diameter: 78.97 mm\n \n- Compression Height: 18.70 mm\n \n- Compression Ratio: 14.1:1\n \n- Displacement: 250 cc\n \n- Number of Piston Rings: 2\n \n- Piston Pin Type: Biconical\n \n- Piston Type: Forged","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-gasket-kit-79mm-honda-crf-250-20-21-athena-p5f0790319002c-set-c","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1ba8ec2fd3df:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1ba8ec2fd3df: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."]}}