{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1c118bccb48f","name":"KTM SX 250 2000-2002 / EXC 250 2000-2005 GRADE C 66.36mm TWIN RING PISTON","sku":"V.2650C","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":218.62,"formatted":"£218.62"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys, with silicon content varying by application. The pistons are produced using gravity casting or hydraulic forging, followed by heat treatment in an automatic implant with hot water quenching. Machining is performed using CNC machines and diamond tools to achieve specific surface finishes. Each piston undergoes manual and automatic quality control. Vertex pistons feature a Molybdenum Bisulphite black coating for break-in and friction reduction, and a new Phosphate Coating for enhanced durability and adhesion. This piston is GRADE C and measures 66.36mm with twin rings.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-250-2000-2002-exc-250-2000-2005-grade-c-66.36mm-twin-ring-piston-1701-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-250-2000-2002-exc-250-2000-2005-grade-c-66.36mm-twin-ring-piston-1701-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys, with silicon content varying by application. The pistons are produced using gravity casting or hydraulic forging, followed by heat treatment in an automatic implant with hot water quenching. Machining is performed using CNC machines and diamond tools to achieve specific surface finishes. Each piston undergoes manual and automatic quality control. Vertex pistons feature a Molybdenum Bisulphite black coating for break-in and friction reduction, and a new Phosphate Coating for enhanced durability and adhesion. This piston is GRADE C and measures 66.36mm with twin rings.","descriptionMarkdown":"### Vertex Grade C Twin Ring Piston - 66.36mm\n\nThe Vertex Grade C Twin Ring Piston is engineered to deliver high performance and reliability for your off-road machine. Manufactured using premium Low-Ex (low expansion) silicon-charged aluminium alloys, this piston provides exceptional durability and structural integrity under demanding riding conditions.\n\nVertex utilizes advanced manufacturing processes, including gravity casting and hydraulic forging, followed by a sophisticated heat treatment. This refined process ensures the material remains robust and performs consistently even under extreme thermal stress.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Constructed from high-quality aluminium alloys with precise silicon charging for superior strength and thermal stability.\n \n- Precision Machining: Produced using state-of-the-art CNC technology and diamond tooling to achieve exact specifications and optimal surface finishes.\n \n- Twin Ring Design: Engineered to provide an excellent seal and compression, maximizing power output throughout the engine RPM range.\n \n- Dual-Layer Coating Technology: Features a Molybdenum Bisulphite black coating to reduce friction and assist in the break-in process. This is combined with an innovative phosphate coating that increases surface hardness and improves the adhesion and durability of the Molybdenum finish.\n \n- Quality Assured: Every piston undergoes rigorous manual and automatic quality control inspections to ensure industry-leading standards.\n\nDesigned for enthusiasts who demand longevity and performance, this Vertex piston is a top-tier choice for maintenance and engine rebuilds. Its specific 66.36mm sizing ensures a precise fit for compatible cylinders, helping restore factory-level performance and smooth engine operation.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-250-2000-2002-exc-250-2000-2005-grade-c-6636mm-twin-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1c118bccb48f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1c118bccb48f: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."]}}