{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"dc5fcaed5bb9","name":"YAMAHA YZ 65 2018 - 2020 GRADE D 43.48mm SINGLE RING PISTON","sku":"V.4352D","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":145.72,"formatted":"£145.72"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon depending on the application. They are made using gravity cast or hydraulic forging processes, followed by a heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is completed using the latest CNC machines and diamond tools, achieving specific surface finishes. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and reduced friction. A new Phosphate Coating is also available, offering increased hardness, light surface porosity, and superior adhesion qualities to the Molybdenum Coating, doubling its durability. This piston has a bore size of 43.48mm and a single ring.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-65-2018-2020-grade-d-43.48mm-single-ring-piston-10604-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-65-2018-2020-grade-d-43.48mm-single-ring-piston-10604-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon depending on the application. They are made using gravity cast or hydraulic forging processes, followed by a heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is completed using the latest CNC machines and diamond tools, achieving specific surface finishes. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and reduced friction. A new Phosphate Coating is also available, offering increased hardness, light surface porosity, and superior adhesion qualities to the Molybdenum Coating, doubling its durability. This piston has a bore size of 43.48mm and a single ring.","descriptionMarkdown":"### High-Performance Vertex Single Ring Piston\n\nEnhance the reliability and performance of your engine with the Vertex Grade D single ring piston. Precision-engineered for demanding riding conditions, this piston is manufactured using advanced Low-Ex silicon-charged aluminium alloys to ensure superior thermal stability and structural integrity.\n\nVertex utilizes either gravity casting or hydraulic forging processes, followed by a sophisticated automated heat treatment cycle. This ensures the internal material structure is optimized for maximum durability and resistance to engine stress. The final machining is completed with state-of-the-art CNC technology and diamond tooling to achieve precise surface finishes tailored to high-performance applications.\n\n### Key Features and Benefits\n\n \n- Advanced Alloy Composition: Constructed with silicon-charged aluminium alloys for low expansion and enhanced longevity.\n \n- Superior Coating Technology: Features a Molybdenum Bisulphite black coating to reduce friction during the critical break-in period and throughout operation.\n \n- Phosphate Coating Integration: Incorporates a phosphate surface treatment that increases hardness and provides a porous texture, allowing the Molybdenum coating to adhere twice as effectively.\n \n- Rigorous Quality Control: Each piston undergoes strict manual and automatic inspection processes to meet the highest manufacturing standards.\n \n- Precision Engineering: Designed to maintain internal clearance and compression efficiency under the intense conditions found in high-revving racing environments.\n\nWhether you are performing a top-end rebuild or maintaining your engine for peak performance, Vertex pistons offer the perfect balance of strength, lightweight design, and long-term durability.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-65-2018-2020-grade-d-4348mm-single-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/dc5fcaed5bb9:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/dc5fcaed5bb9:1"}},"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."]}}