{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"341293624f37","name":"YAMAHA YZ 250 1990-1995 GRADE C 67.96mm TWIN RING PISTON","sku":"V.2154C","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. Pistons are made using gravity cast or hydraulic forging processes, with material structure refined through heat treatment in an automatic HT implant with solubilization by quench in hot water. This process uses advanced technology for these aluminium alloys. Machining is completed using the latest CNC machines and software with diamond tools, achieving specific surface finishes based on the piston's final application. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating to aid in break-in and reduce friction within the cylinder. Vertex has also introduced a new Phosphate Coating with increased hardness and surface porosity for superior Molybdenum Coating adhesion, doubling the coating's durability. This is a Grade C 67.96mm twin ring piston.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-250-1990-1995-grade-c-67.96mm-twin-ring-piston-5044-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-250-1990-1995-grade-c-67.96mm-twin-ring-piston-5044-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon depending on the application. Pistons are made using gravity cast or hydraulic forging processes, with material structure refined through heat treatment in an automatic HT implant with solubilization by quench in hot water. This process uses advanced technology for these aluminium alloys. Machining is completed using the latest CNC machines and software with diamond tools, achieving specific surface finishes based on the piston's final application. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating to aid in break-in and reduce friction within the cylinder. Vertex has also introduced a new Phosphate Coating with increased hardness and surface porosity for superior Molybdenum Coating adhesion, doubling the coating's durability. This is a Grade C 67.96mm twin ring piston.","descriptionMarkdown":"### Vertex Grade C Twin Ring Piston 67.96mm\n\nThe Vertex Grade C Twin Ring Piston is engineered for high performance and durability in demanding engine environments. Manufactured using advanced Low-Ex silicon-charged aluminium alloys, this piston is designed to withstand extreme thermal stress while maintaining precise dimensional integrity. Whether you are performing a standard rebuild or looking for a reliable replacement component, Vertex provides the precision required for optimal engine output.\n\n**Key Features:**\n\n- Advanced Alloy Construction: Crafted from high-tech Low-Ex aluminium alloys to minimize thermal expansion and maintain consistent clearance.\n\n- Precision Engineering: Produced using state of the art CNC machining and diamond tooling for superior surface finishes and exacting tolerances.\n\n- Enhanced Durability: Features an all-over Phosphate Coating that increases surface hardness and provides excellent adhesion for the friction-reducing Molybdenum Bisulphite coating.\n\n- Friction Reduction: The Molybdenum Bisulphite coating aids in the initial break-in period and reduces internal friction during cylinder operation.\n\n- Rigorous Quality Control: Every piston undergoes a stringent manual and automatic inspection process to ensure it meets the highest manufacturing standards.\n\n- Heat Treated: Utilizes an automated heat treatment process to refine the material structure, ensuring maximum strength and longevity.\n\nThis 67.96mm twin ring piston offers a professional-grade solution for engine maintenance, combining Formula One-inspired coating technology with precision casting to help restore power and reliability to your motorcycle engine.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-250-1990-1995-grade-c-6796mm-twin-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/341293624f37:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/341293624f37:1"}},"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."]}}