{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"e68e7c46ee90","name":"KTM SX 50 2001-2008 GRADE A/B 39.46mm","sku":"V.2813A/B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":5,"price":{"amount":72.82,"formatted":"£72.82"},"summary":"Vertex pistons are manufactured using Low-Ex Silicon 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 high-tech heat treatment process with solubilization by quench in hot water. Machining is performed using advanced CNC machines and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. The pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. Additionally, Vertex offers a new Phosphate Coating with increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. Piston diameter is 39.46mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-50-2001-2008-grade-a-b-39.46mm-1716-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-50-2001-2008-grade-a-b-39.46mm-1716-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex Silicon 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 high-tech heat treatment process with solubilization by quench in hot water. Machining is performed using advanced CNC machines and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. The pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. Additionally, Vertex offers a new Phosphate Coating with increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. Piston diameter is 39.46mm.","descriptionMarkdown":"### Vertex High Performance 39.46mm Replacement Piston\n\nUpgrade your engine reliability with this premium Vertex replacement piston. Engineered for precision and longevity, Vertex pistons are trusted by riders looking to restore factory performance or optimize engine health. Every component is crafted using high-grade, low-expansion aluminum alloys that provide superior thermal stability and durability under demanding racing and riding conditions.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Manufactured using exotic Low-Ex silicon-charged aluminum to ensure minimal thermal expansion and maximum structural integrity.\n \n- Precision Manufacturing: Created through advanced gravity casting or hydraulic forging processes, refined by state-of-the-art heat treatment in automated implants.\n \n- CNC Machined: Finished using cutting-edge CNC technology and diamond-tipped tooling to achieve the exact surface finish required for optimal performance.\n \n- Enhanced Durability: Features an all-over phosphate coating that increases surface hardness and provides a superior base for the Molybdenum Bisulphite friction-reducing coating.\n \n- Reduced Friction: The specialized Molybdenum Bisulphite black coating assists with the break-in process and significantly reduces internal cylinder friction.\n \n- Quality Assurance: Every piston undergoes a rigorous manual and automatic quality control inspection to ensure it meets the highest industry standards.\n\nThis 39.46mm piston is designed to provide a perfect balance of strength and lightweight efficiency. Whether you are performing a routine top-end rebuild or a full engine restoration, Vertex components offer the consistency and wear resistance required for high-output engine operation.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-50-2001-2008-grade-ab-3946mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/e68e7c46ee90:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/e68e7c46ee90:1"}},"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."]}}