{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"49238bfac055","name":"HONDA RS GP 125 1992-1994 GRADE D 53.96mm","sku":"V.2175D","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":242.92,"formatted":"£242.92"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys, silicon charged to 12%, 18% or 21% depending on the application. They are made using either gravity cast or hydraulic forging processes, with material structure refined through a high-tech heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is completed using the latest CNC machines and software with diamond tools to achieve specific surface finishes for the final application. 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 to reduce friction. A new, all over, Phosphate Coating has been introduced which offers increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. This piston is 53.96mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-rs-gp-125-1992-1994-grade-d-53.96mm-7633-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-rs-gp-125-1992-1994-grade-d-53.96mm-7633-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys, silicon charged to 12%, 18% or 21% depending on the application. They are made using either gravity cast or hydraulic forging processes, with material structure refined through a high-tech heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is completed using the latest CNC machines and software with diamond tools to achieve specific surface finishes for the final application. 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 to reduce friction. A new, all over, Phosphate Coating has been introduced which offers increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. This piston is 53.96mm.","descriptionMarkdown":"### Vertex High-Performance Racing Piston - 53.96mm Grade D\n\nEngineered for precision and reliability, the Vertex racing piston is designed to meet the rigorous demands of high-performance engines. Manufactured using advanced metallurgical processes and cutting-edge machining techniques, this piston offers superior durability and performance consistency under intense racing conditions.\n\n**Advanced Material Composition**\n\nEach piston is crafted from specialized Low-Ex (low expansion) silicon-charged aluminium alloys, with silicon content tailored specifically to the application requirements (12%, 18%, or 21%). This alloy selection ensures optimal thermal stability and structural integrity during high-revving operation.\n\n**Key Features**\n\n \n- Precision Manufacturing: Produced using either gravity casting or hydraulic forging, followed by a sophisticated heat treatment process in an automatic HT implant for refined material structure.\n \n- CNC Machined: Utilizes the latest CNC technology and diamond-tipped tooling to achieve exacting tolerances and specific surface finishes required for professional racing engines.\n \n- Dual-Layer Coating Technology: Features a specialized Molybdenum Bisulphite black coating to reduce friction and facilitate an efficient break-in period.\n \n- Phosphate Coating: Incorporates a secondary phosphate coating for enhanced surface hardness and improved adhesion of the Molybdenum layer, effectively doubling the durability of the piston skirt.\n \n- Quality Assurance: Every unit undergoes a comprehensive manual and automatic quality control process to ensure peak performance standards.\n\n**Technical Specifications**\n\n \n- Bore Size: 53.96mm\n \n- Grade: D\n \n- Manufacturer: Vertex","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-rs-gp-125-1992-1994-grade-d-5396mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/49238bfac055:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/49238bfac055:1"}},"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."]}}