{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"87b4a1237077","name":"HONDA CR 250 2002-2004 +1.6mm OVERSIZE 67.95mm TWIN RING REPLICA","sku":"V.2809.160","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":234.82,"formatted":"£234.82"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons 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 CNC machines, software, and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. Vertex also offers a new all-over Phosphate Coating with increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. This replica piston is +1.6mm oversize at 67.95mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-250-2002-2004-grade-a-66.34mm-twin-ring-replica-1572-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-250-2002-2004-grade-a-66.34mm-twin-ring-replica-1572-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons 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 CNC machines, software, and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. Vertex also offers a new all-over Phosphate Coating with increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. This replica piston is +1.6mm oversize at 67.95mm.","descriptionMarkdown":"### Vertex 67.95mm Oversize Twin Ring Replica Piston\n\nEnhance the performance and longevity of your engine with the Vertex 1.6mm oversize replacement piston. Engineered for durability and precision, this twin ring replica piston is designed to meet the demands of high performance two stroke engines, providing a reliable solution for cylinder rebuilds and top end refreshes.\n\nVertex pistons are manufactured using specialized Low-Ex silicon charged aluminium alloys, with silicon content ranging from 12% to 21% depending on the specific application requirements. Through a combination of gravity casting or hydraulic forging and a sophisticated automated heat treatment process, these pistons achieve a refined material structure that delivers exceptional strength and thermal stability.\n\n### Key Features\n\n \n- Precision Engineering: Machined using state of the art CNC technology and diamond tooling for exact tolerances and superior surface finishes.\n \n- Advanced Coatings: Features a Molybdenum Bisulphite black coating to reduce friction and facilitate a smoother engine break in period.\n \n- Phosphate Treatment: Utilizes a high tech phosphate coating derived from Formula One technology, providing increased surface hardness and superior adhesion for the Molybdenum layer to double coating durability.\n \n- Quality Assurance: Each piston undergoes rigorous manual and automatic quality control inspections to ensure consistent, high level performance.\n \n- Oversize Specification: Designed with a 67.95mm diameter to accommodate a 1.6mm overbore, perfect for restoring cylinder clearance.\n\nWhether you are performing routine maintenance or a full engine rebuild, this Vertex replica piston offers the professional grade quality necessary to keep your machine running at its peak.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-cr-250-2002-2004-16mm-oversize-6795mm-twin-ring-replica","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/87b4a1237077:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/87b4a1237077:1"}},"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."]}}