{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"8fbfd880ae0f","name":"KTM SX / EXC 250 1996-1999 GRADE A 67.44mm TWIN RING PISTON","sku":"V.2459A","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":226.72,"formatted":"£226.72"},"summary":"Vertex pistons are manufactured using Low-Ex aluminum alloys with 12%, 18% or 21% silicon. Pistons are made using gravity casting or hydraulic forging processes, followed by heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is completed using the latest CNC machines and software with diamond tools. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. Vertex also offers a new Phosphate Coating for increased hardness and superior adhesion. This product is a Grade A 67.44mm twin ring piston.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-exc-250-1996-1999-grade-a-67.44mm-twin-ring-piston-4682-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-exc-250-1996-1999-grade-a-67.44mm-twin-ring-piston-4682-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminum alloys with 12%, 18% or 21% silicon. Pistons are made using gravity casting or hydraulic forging processes, followed by heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is completed using the latest CNC machines and software with diamond tools. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. Vertex also offers a new Phosphate Coating for increased hardness and superior adhesion. This product is a Grade A 67.44mm twin ring piston.","descriptionMarkdown":"### Vertex Grade A Twin Ring Piston 67.44mm\n\nEnhance the performance and longevity of your engine with this premium Vertex twin ring piston. Engineered for durability and precision, this 67.44mm piston is manufactured using high-tech Low-Ex silicon-charged aluminium alloys, ensuring optimal thermal expansion characteristics and structural integrity under demanding conditions.\n\nVertex pistons are produced using advanced gravity casting or hydraulic forging processes, followed by a sophisticated heat treatment cycle to refine the material structure. Precision machined on state-of-the-art CNC equipment with diamond tooling, every piston undergoes rigorous quality control to ensure a perfect fit and reliable operation.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Constructed from Low-Ex (low expansion) aluminium alloy with high silicon content for maximum strength and reduced thermal distortion.\n \n- Dual Coating Technology: Features a Molybdenum Bisulphite black coating to reduce friction and assist during the initial break-in period.\n \n- Enhanced Durability: Includes a high-performance phosphate coating that provides a slight hardness increase and improved surface adhesion for the Molybdenum layer, effectively doubling the coating durability.\n \n- Precision Engineering: CNC machined for exacting tolerances, ensuring consistent performance and a high-quality surface finish.\n \n- Twin Ring Design: Engineered to provide superior compression sealing and heat transfer from the piston to the cylinder walls.\n\nWhether you are performing a routine rebuild or seeking a performance upgrade, this Vertex piston offers the reliability and technical excellence required for high-intensity engine environments.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-exc-250-1996-1999-grade-a-6744mm-twin-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/8fbfd880ae0f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/8fbfd880ae0f: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."]}}