{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"3338d41f5ff2","name":"YAMAHA YZ 125 2005-2021 +0.50mm OVERSIZE 54.45mm SINGLE RING PISTON","sku":"V.3119.050","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":194.32,"formatted":"£194.32"},"summary":"Vertex pistons are manufactured using Low-Ex silicon charged aluminum 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 involving solubilization and quenching in hot water. Machining is performed on the latest CNC machines with diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. Additionally, they feature a new all-over Phosphate Coating with increased hardness and surface porosity for superior Molybdenum Coating adhesion and durability. This product is a +0.50mm oversize 54.45mm single ring piston.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-125-2005-2020-0.50mm-oversize-54.45mm-single-ring-piston-7162-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-125-2005-2020-0.50mm-oversize-54.45mm-single-ring-piston-7162-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex silicon charged aluminum 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 involving solubilization and quenching in hot water. Machining is performed on the latest CNC machines with diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. Additionally, they feature a new all-over Phosphate Coating with increased hardness and surface porosity for superior Molybdenum Coating adhesion and durability. This product is a +0.50mm oversize 54.45mm single ring piston.","descriptionMarkdown":"### Vertex High Performance Oversize Single Ring Piston\n\nEngineered for riders seeking precision and durability, this Vertex oversize piston is designed to restore engine performance and compression in rebuilt cylinders. Featuring a 54.45mm diameter, this +0.50mm oversize component is manufactured to meet the rigorous demands of high-performance off-road engines.\n\nVertex pistons are crafted from advanced Low-Ex silicon-charged aluminium alloys, chosen for their superior thermal stability. Through a combination of gravity casting or hydraulic forging and a sophisticated heat treatment process, these pistons achieve an exceptional material structure that resists fatigue under extreme stress.\n\n### Key Features and Construction\n\n \n- Precision Machining: Produced using state-of-the-art CNC technology and diamond-tipped tooling to ensure exact tolerances and optimal surface finishes.\n \n- Advanced Coating Technology: Finished with a Molybdenum Bisulphite black coating to reduce friction during the critical break-in period and throughout operation.\n \n- Phosphate Coating: Utilizes a specialized phosphate base layer that increases surface hardness and provides superior adhesion for the Molybdenum coating, effectively doubling its durability.\n \n- Quality Assured: Every piston undergoes exhaustive manual and automated quality control inspections to guarantee peak performance and reliability.\n \n- Optimized Design: Engineered as a single ring configuration to minimize friction and promote efficient engine response.\n\nWhen rebuilding your top end, Vertex pistons provide the professional-grade consistency required to maintain engine power and longevity. This oversize component is the ideal choice for cylinders that have been bored or honed to accommodate the 54.45mm specification.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-125-2005-2021-050mm-oversize-5445mm-single-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/3338d41f5ff2:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/3338d41f5ff2:1"}},"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."]}}