{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"007da979895b","name":"TOP END PISTON & GASKET KIT 66.4MM YAMAHA YZ 250 99-24, ATHENA P4F0664267019A, SET A","sku":"56-T1031.A_ATH","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":180.48,"formatted":"£180.48"},"summary":"TOP END PISTON & GASKET KIT 66.4MM. Big End Pin Diameter (mm) 18x13x53. Bore Diameter (mm) 66.34. Compression Ratio STD. Displacement (cc) 250.00. Net Weight (Kg) 0.58. Number Of Segments 2. Piston Head Type Domed. Piston Pin Type Biconical. Piston Type Forged. Manufacturer Athena.","attributes":[{"label":"Variant Id","value":"316164"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1031_2EA_5FATH/e47fa53d4fde9033.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1031_2EA_5FATH/e47fa53d4fde9033.jpg"],"description":"TOP END PISTON & GASKET KIT 66.4MM. Big End Pin Diameter (mm) 18x13x53. Bore Diameter (mm) 66.34. Compression Ratio STD. Displacement (cc) 250.00. Net Weight (Kg) 0.58. Number Of Segments 2. Piston Head Type Domed. Piston Pin Type Biconical. Piston Type Forged. Manufacturer Athena.","descriptionMarkdown":"### Athena Top End Piston & Gasket Kit for Yamaha YZ 250\n\nRestore the power and performance of your Yamaha YZ 250 with this high-quality Top End Piston & Gasket Kit from Athena. Engineered for durability and optimal performance, this kit provides everything you need for a comprehensive top-end rebuild.\n\n### Key Features:\n\n \n- Piston Type: Forged for superior strength and longevity.\n \n- Piston Head: Domed design for efficient combustion.\n \n- Bore Diameter: 66.34mm, ensuring precise fitment.\n \n- Compression Ratio: Standard (STD) for reliable operation.\n \n- Displacement: Designed for 250cc engines.\n \n- Piston Pin Type: Biconical for enhanced stability.\n \n- Number of Segments: 2 piston rings included.\n \n- Big End Pin Diameter: 18x13x53mm.\n \n- Net Weight: 0.58 Kg.\n \n- Complete Kit: Includes all necessary gaskets for a full top-end installation.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-gasket-kit-664mm-yamaha-yz-250-99-24-athena-p4f0664267019a-set-a","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/007da979895b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/007da979895b: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."]}}