{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"720b6d4e62d5","name":"KTM SX 250 2005 GRADE C 66.36mm TWIN RING PISTON","sku":"V.3121C","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":218.62,"formatted":"£218.62"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with varying silicon content. They are produced using gravity casting or hydraulic forging, followed by a heat treatment process. Machining is done with CNC machines and diamond tools to achieve specific surface finishes. Every piston undergoes strict quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction, and a Phosphate Coating for enhanced durability and adhesion. This piston has a 66.36mm bore and twin rings.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-250-2005-grade-c-66.36mm-twin-ring-piston-7127-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-250-2005-grade-c-66.36mm-twin-ring-piston-7127-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with varying silicon content. They are produced using gravity casting or hydraulic forging, followed by a heat treatment process. Machining is done with CNC machines and diamond tools to achieve specific surface finishes. Every piston undergoes strict quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction, and a Phosphate Coating for enhanced durability and adhesion. This piston has a 66.36mm bore and twin rings.","descriptionMarkdown":"### Vertex Twin Ring Piston - Grade C 66.36mm\n\nMaintain the performance and longevity of your engine with this precision-engineered Vertex Twin Ring Piston. Designed for riders who demand reliability and power, this Grade C piston is manufactured using advanced metallurgical processes to ensure consistent performance under high-stress conditions.\n\nVertex utilizes exotic Low-Ex silicon-charged aluminium alloys to create a component that resists thermal expansion while maintaining structural integrity. Through a combination of gravity casting or hydraulic forging and a sophisticated heat-treatment process, these pistons provide exceptional durability for demanding motor sports applications.\n\n### Key Features\n\n \n- Advanced Alloy Construction: Crafted from Low-Ex silicon-charged aluminium to reduce thermal expansion and prevent engine failure.\n \n- Precision Machining: Manufactured using state-of-the-art CNC technology and diamond tooling for exact tolerances and superior surface finishes.\n \n- Enhanced Durability: Features an all-over phosphate coating that increases surface hardness and improves the adhesion of the Molybdenum Bisulphite finish.\n \n- Reduced Friction: The Molybdenum Bisulphite black coating aids in a smoother break-in period and significantly reduces internal friction during cylinder operation.\n \n- Quality Assured: Every piston undergoes rigorous manual and automatic quality control inspections to meet the highest industry standards.\n \n- Twin Ring Design: Engineered to provide an optimal seal and heat transfer between the piston and cylinder wall.\n\nWhether you are performing a routine rebuild or a full engine restoration, Vertex pistons deliver the reliability required for top-tier performance on the track or the trail.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-250-2005-grade-c-6636mm-twin-ring-piston","buyOneNow":null,"basketWithThis":null}},"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. Checkout links only work for shoppers in the UK: for anywhere else, give them the product pages.","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."]}}