{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a0ebd633b1d5","name":"KTM SX 250 2003-2004 GRADE B 66.35mm SINGLE RING PISTON","sku":"V.2909B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":218.62,"formatted":"£218.62"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon depending on the application. Piston blanks are created using gravity casting or hydraulic forging. Material structure is refined through a hi-tech heat treatment process using an automatic HT implant with hot water quenching. Machining is performed on the latest CNC machines with diamond tools, achieving specific surface finishes for each application. Every Vertex piston undergoes rigorous manual and automatic quality control. The pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating, developed from Formula One engine technology, offers increased hardness, light surface porosity, and superior adhesion qualities to the Molybdenum Coating, doubling coating durability. This is a Grade B 66.35mm single ring piston.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-250-2003-2004-grade-b-66.35mm-single-ring-piston-7123-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-250-2003-2004-grade-b-66.35mm-single-ring-piston-7123-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon depending on the application. Piston blanks are created using gravity casting or hydraulic forging. Material structure is refined through a hi-tech heat treatment process using an automatic HT implant with hot water quenching. Machining is performed on the latest CNC machines with diamond tools, achieving specific surface finishes for each application. Every Vertex piston undergoes rigorous manual and automatic quality control. The pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating, developed from Formula One engine technology, offers increased hardness, light surface porosity, and superior adhesion qualities to the Molybdenum Coating, doubling coating durability. This is a Grade B 66.35mm single ring piston.","descriptionMarkdown":"### Vertex 66.35mm Single Ring Piston (Grade B)\n\nEngine performance and reliability depend on the quality of your internal components. This Vertex single ring piston is engineered to meet the demanding requirements of high-performance engines. Manufactured using advanced metallurgical processes and precision machining, this piston provides an ideal solution for engine rebuilds where reliability and thermal stability are essential.\n\n### Advanced Manufacturing and Material Quality\n\nVertex utilizes high-grade Low-Ex (low expansion) aluminium alloys, charged with silicon percentages specifically tailored to the application. The piston blank is created through either gravity casting or hydraulic forging, followed by a state of the art heat treatment process. This refined structure ensures superior strength and longevity under intense operating conditions.\n\n### Key Features\n\n \n- Precision Machining: Produced using advanced CNC technology and diamond tooling for exact surface finishes and dimensions.\n \n- Phosphate Coating: Features an all-over phosphate coating that increases surface hardness and provides light porosity for superior adhesion.\n \n- Molybdenum Bisulphite Finish: Coated to significantly reduce friction during the critical break-in period and throughout the operating lifespan.\n \n- Enhanced Durability: The combination of phosphate and molybdenum coatings extends the service life of the piston, offering consistent performance and wear resistance.\n \n- Quality Assurance: Every component undergoes rigorous manual and automatic quality control inspections to ensure industry-leading standards.\n\nThis Grade B piston is designed to deliver consistent combustion efficiency and engine power. By integrating Formula One inspired coating technologies, Vertex ensures that this piston remains durable, reducing the risk of premature wear and maintaining optimal engine compression.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-250-2003-2004-grade-b-6635mm-single-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a0ebd633b1d5:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a0ebd633b1d5:1"}},"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. 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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."]}}