{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"87fdf176bc63","name":"HONDA CR 250 2005-2007 GRADE C 66.36mm TWIN RING REPLICA PISTON","sku":"V.3137C","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":218.62,"formatted":"£218.62"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon, depending on the application. They are produced using gravity cast or hydraulic forging processes, followed by heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is performed on CNC machines using diamond tools to achieve 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 friction reduction. A new Phosphate Coating is also available, which offers increased hardness, light surface porosity, and superior adhesion qualities for extended durability. This is a replica twin ring piston with a 66.36mm bore size.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-250-2005-2007-grade-c-66.36mm-twin-ring-replica-1579-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-250-2005-2007-grade-c-66.36mm-twin-ring-replica-1579-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon, depending on the application. They are produced using gravity cast or hydraulic forging processes, followed by heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is performed on CNC machines using diamond tools to achieve 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 friction reduction. A new Phosphate Coating is also available, which offers increased hardness, light surface porosity, and superior adhesion qualities for extended durability. This is a replica twin ring piston with a 66.36mm bore size.","descriptionMarkdown":"### Vertex Replica Twin Ring Piston - Grade C (66.36mm)\n\nThe Vertex Replica Twin Ring Piston is engineered for high performance and durability, providing a reliable solution for engine maintenance and top-end rebuilds. Precision-manufactured using advanced Low-Ex silicon-charged aluminium alloys, these pistons are built to withstand the rigors of demanding engine environments while maintaining structural integrity.\n\nEach piston undergoes a sophisticated gravity cast or hydraulic forging process, followed by a state-of-the-art heat treatment. This refined manufacturing approach ensures that the alloy structure is optimized for strength and heat resistance. Machining is performed using high-precision CNC technology and diamond-tipped tooling to achieve the exact specifications required for consistent operation.\n\n### Key Features\n\n \n- Advanced Alloy Construction: Manufactured with silicon-charged aluminium alloys that offer low expansion properties for reliable performance under heat.\n \n- Phosphate Coating Technology: Features a durable phosphate coating that provides increased surface hardness and superior adhesion, extending the lifespan of the piston.\n \n- Molybdenum Bisulphite Finish: A specialized black coating is applied to reduce friction during the critical break-in period and throughout the operational life of the engine.\n \n- Precision Engineering: Diamond-tool machining ensures an accurate surface finish for optimal ring seal and efficient performance.\n \n- Rigorous Quality Control: Every unit is subjected to both manual and automatic inspection processes to ensure the highest standards of manufacturing quality.\n\nThis Grade C piston features a 66.36mm diameter and a twin-ring configuration, designed to deliver consistent compression and power output. Whether you are performing routine maintenance or a full rebuild, Vertex pistons provide the durability and technical refinement necessary for peak engine health.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-cr-250-2005-2007-grade-c-6636mm-twin-ring-replica-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/87fdf176bc63:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/87fdf176bc63:1"}},"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."]}}