{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"6e48aeb4673a","name":"HONDA CR 250 2002-2004 GRADE D 66.37mm TWIN RING REPLCIA","sku":"V.2809D","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":218.62,"formatted":"£218.62"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon content. Pistons are made using gravity cast or hydraulic forging processes and refined with a hi-tech heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines and software with diamond tools. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new, all over Phosphate Coating offers increased hardness, light surface porosity, and superior adhesion qualities to the Molybdenum Coating, doubling coating durability. Piston diameter is 66.37mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-250-2002-2004-grade-d-66.37mm-twin-ring-replcia-1574-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-250-2002-2004-grade-d-66.37mm-twin-ring-replcia-1574-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon content. Pistons are made using gravity cast or hydraulic forging processes and refined with a hi-tech heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines and software with diamond tools. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new, all over Phosphate Coating offers increased hardness, light surface porosity, and superior adhesion qualities to the Molybdenum Coating, doubling coating durability. Piston diameter is 66.37mm.","descriptionMarkdown":"### Vertex Twin Ring Piston - Grade D 66.37mm\n\nThe Vertex Twin Ring Piston is a high-performance engine component engineered for riders who demand reliability and power. Manufactured using advanced aluminium alloys and state-of-the-art production techniques, this piston provides a premium replacement solution for your engine rebuilds.\n\n### Key Features and Engineering\n\n \n- Advanced Alloy Construction: Built from exotic Low-Ex (low expansion) aluminium alloys with precise silicon content, ensuring structural integrity and resistance to thermal expansion.\n \n- Precision Manufacturing: Created through either gravity casting or hydraulic forging, followed by a hi-tech heat treatment process to refine the material structure for maximum strength.\n \n- High-Tech Machining: Every piston is finished using CNC machines and precision diamond tools to achieve exact surface finishes tailored to engine performance requirements.\n \n- Enhanced Durability Coating: Features a Molybdenum Bisulphite coating to reduce friction and facilitate a smoother engine break-in process.\n \n- Phosphate Coating Technology: Incorporates a phosphate base layer that increases surface hardness and provides superior adhesion for the Molybdenum coating, doubling its overall durability.\n \n- Strict Quality Control: Each unit undergoes rigorous manual and automatic inspection processes to ensure the highest standards of production quality.\n\nVertex has long been a leader in high-performance piston development, utilizing technologies derived from Formula One racing to ensure that your engine operates with consistent efficiency and longevity.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-cr-250-2002-2004-grade-d-6637mm-twin-ring-replcia","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/6e48aeb4673a:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/6e48aeb4673a: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."]}}