{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c696c537444a","name":"KTM SX 250 2000-2002 / EXC 250 2000-2005 GRADE B 66.35mm TWIN RING PISTON","sku":"V.2650B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":218.62,"formatted":"£218.62"},"summary":"Vertex pistons are manufactured using Low-Ex (low expansion) aluminium alloys with 12%, 18%, or 21% silicon content, depending on the application. They are produced using gravity casting or hydraulic forging, followed by a heat treatment process in an automatic implant with hot water quenching. Machining is performed using advanced CNC machines and diamond tooling to achieve specific surface finishes. Each piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction. A newer Phosphate Coating, developed from Formula One engine technology, offers increased hardness, light surface porosity, and superior adhesion for enhanced durability. This piston has a 66.35mm bore size and is a twin-ring design.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-250-2000-2002-exc-250-2000-2005-grade-b-66.35mm-twin-ring-piston-1699-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-250-2000-2002-exc-250-2000-2005-grade-b-66.35mm-twin-ring-piston-1699-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex (low expansion) aluminium alloys with 12%, 18%, or 21% silicon content, depending on the application. They are produced using gravity casting or hydraulic forging, followed by a heat treatment process in an automatic implant with hot water quenching. Machining is performed using advanced CNC machines and diamond tooling to achieve specific surface finishes. Each piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction. A newer Phosphate Coating, developed from Formula One engine technology, offers increased hardness, light surface porosity, and superior adhesion for enhanced durability. This piston has a 66.35mm bore size and is a twin-ring design.","descriptionMarkdown":"### High-Performance Vertex Twin Ring Piston - 66.35mm Grade B\n\nUpgrade your engine reliability and performance with this premium Vertex twin ring piston. Engineered for durability and precision, this 66.35mm Grade B piston is designed to meet the rigorous demands of high-performance riding, ensuring your engine runs smoothly under extreme conditions.\n\nVertex pistons are crafted from advanced Low-Ex silicon-charged aluminium alloys, chosen for their specific expansion properties. Through a sophisticated combination of gravity casting or hydraulic forging and automated heat treatment, these pistons achieve a refined material structure that delivers exceptional strength and longevity.\n\n### Advanced Engineering and Coatings\n\n \n- Precision Machining: Manufactured using state-of-the-art CNC technology and diamond-tipped tooling to achieve exacting tolerances and specific surface finishes.\n \n- Molybdenum Bisulphite Coating: A high-performance black coating that minimizes friction and assists in a smooth break-in process.\n \n- Phosphate Coating Technology: Inspired by Formula One engineering, this treatment adds surface hardness and provides a light porosity that ensures superior adhesion of the Molybdenum coating for twice the durability.\n \n- Strict Quality Control: Every piston undergoes a thorough manual and automatic inspection process to guarantee that it meets the highest industry quality standards.\n\nBy integrating cutting-edge metallurgical processes with specialized surface treatments, this Vertex piston provides the reliability you need to push your engine to its full potential.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-250-2000-2002-exc-250-2000-2005-grade-b-6635mm-twin-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c696c537444a:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c696c537444a: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."]}}