{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d2cb390337c9","name":"YAMAHA YZ 85 2002 - 2022 GRADE C 47.46mm SINGLE RING PISTON","sku":"V.4370C","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":121.42,"formatted":"£121.42"},"summary":"Vertex pistons are manufactured using Low-Ex Silicon aluminium alloys with 12%, 18% or 21% silicon content. They are made using gravity cast or hydraulic forging processes and refined with an automatic heat treatment implant. Machining is done using CNC machines and diamond tools, achieving specific surface finishes. Each piston undergoes manual and automatic quality control. Vertex pistons feature a Molybdenum Bisulphite black coating to aid break-in and reduce friction. A new Phosphate Coating offers increased hardness and porosity for superior Molybdenum Coating adhesion and durability. This piston is size C with a 47.46mm diameter.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-85-2002-2018-grade-c-47.46mm-1589-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-85-2002-2018-grade-c-47.46mm-1589-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex Silicon aluminium alloys with 12%, 18% or 21% silicon content. They are made using gravity cast or hydraulic forging processes and refined with an automatic heat treatment implant. Machining is done using CNC machines and diamond tools, achieving specific surface finishes. Each piston undergoes manual and automatic quality control. Vertex pistons feature a Molybdenum Bisulphite black coating to aid break-in and reduce friction. A new Phosphate Coating offers increased hardness and porosity for superior Molybdenum Coating adhesion and durability. This piston is size C with a 47.46mm diameter.","descriptionMarkdown":"### Vertex Grade C 47.46mm Single Ring Piston\n\nEngineered for high performance and reliability, this Vertex single ring piston is designed to restore power and maintain engine integrity. Vertex utilizes advanced Low-Ex silicon-charged aluminum alloys, ensuring superior thermal stability and durability under demanding racing conditions.\n\nEvery piston is produced using high-precision gravity casting or hydraulic forging processes, followed by state-of-the-art heat treatment. This technical approach refines the material structure to provide exceptional strength and resistance to fatigue. Machined on modern CNC equipment with diamond-tipped tooling, this piston features a precise surface finish tailored for optimal performance.\n\n### Key Features:\n\n \n- Advanced Alloy Composition: Constructed from Low-Ex (low expansion) aluminum alloy with high silicon content for reduced wear and increased longevity.\n \n- Precision Engineering: Manufactured using high-tech CNC machining to meet strict dimensional tolerances.\n \n- Dual Coating Technology: Features a Molybdenum Bisulphite black coating for smoother break-in periods and reduced friction.\n \n- Enhanced Phosphate Coating: Utilizes an all-over phosphate treatment inspired by Formula One technology to improve coating adhesion and extend service life.\n \n- Rigorous Quality Control: Every unit undergoes strict manual and automatic inspection processes to ensure the highest quality standards.\n\nIdeal for engine rebuilds, this Vertex piston provides the professional-grade performance and durability required for peak operation.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-85-2002-2022-grade-c-4746mm-single-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d2cb390337c9:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d2cb390337c9:1"}},"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."]}}