{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"09b18dfc3f8e","name":"KTM SX 50 2001-2008 GRADE C/D 39.47mm","sku":"V.2813C/D","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":9,"price":{"amount":72.82,"formatted":"£72.82"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are made using gravity casting or hydraulic forging and then refined with a heat treatment process. Machining is performed using CNC machines and diamond tools to achieve specific surface finishes. Every Vertex piston undergoes manual and automatic quality control. Pistons are coated with Molybdenum Bisulphite for break-in and friction reduction, and a new Phosphate Coating is available for increased hardness, light surface porosity, and superior Molybdenum Coating adhesion, doubling coating durability. This piston is 39.47mm and is Grade C/D.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-50-2001-2008-grade-c-d-39.47mm-1717-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-50-2001-2008-grade-c-d-39.47mm-1717-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are made using gravity casting or hydraulic forging and then refined with a heat treatment process. Machining is performed using CNC machines and diamond tools to achieve specific surface finishes. Every Vertex piston undergoes manual and automatic quality control. Pistons are coated with Molybdenum Bisulphite for break-in and friction reduction, and a new Phosphate Coating is available for increased hardness, light surface porosity, and superior Molybdenum Coating adhesion, doubling coating durability. This piston is 39.47mm and is Grade C/D.","descriptionMarkdown":"### Vertex Performance Piston - 39.47mm Grade C/D\n\nEngineered for precision and reliability, this Vertex piston is designed to restore power and performance to your engine. Manufactured using advanced exotic aluminium alloys, these pistons are specifically engineered to provide the perfect balance between strength, weight, and thermal expansion control.\n\nVertex utilizes either a gravity cast or hydraulic forging process to create the piston blank, which is then refined through a state of the art heat treatment cycle. This process ensures a superior material structure that stands up to the rigors of high performance riding. Every piston is precision machined on CNC equipment using diamond tooling to achieve exact surface finishes tailored to the specific application.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Constructed from Low-Expansion Silicon charged aluminium alloys for maximum durability.\n \n- Dual Coating Technology: Features a specialized Molybdenum Bisulphite black coating to reduce friction and assist in a smooth break in process.\n \n- Phosphate Coating: Includes an all over Phosphate coating that provides increased surface hardness and superior adhesion for the Molybdenum layer, significantly extending the lifespan of the coating.\n \n- Strict Quality Control: Each unit undergoes rigorous manual and automatic inspection processes to ensure the highest standards of manufacturing.\n \n- Precision Engineered: Designed for an exact 39.47mm bore specification to ensure optimal compression and engine efficiency.\n\nWhether you are performing a routine top end rebuild or seeking a reliable replacement component, Vertex pistons offer the high tech engineering required to keep your machine performing at its peak.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-50-2001-2008-grade-cd-3947mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/09b18dfc3f8e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/09b18dfc3f8e: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."]}}