{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9fef301043f1","name":"KAWASAKI KX 250 2002-2004 GRADE D 66.38mm SINGLE RING RACE PISTON","sku":"V.2797D","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":218.62,"formatted":"£218.62"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are manufactured 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 completed using CNC machines and software with diamond tools to achieve specific surface finishes. Every Vertex piston undergoes manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating to aid during break-in and reduce friction. A new, all over Phosphate Coating offers increased hardness and porosity for superior adhesion and durability of the Molybdenum Coating. This piston has a bore size of 66.38mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-2002-2004-grade-d-66.38mm-1690-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-2002-2004-grade-d-66.38mm-1690-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 manufactured 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 completed using CNC machines and software with diamond tools to achieve specific surface finishes. Every Vertex piston undergoes manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating to aid during break-in and reduce friction. A new, all over Phosphate Coating offers increased hardness and porosity for superior adhesion and durability of the Molybdenum Coating. This piston has a bore size of 66.38mm.","descriptionMarkdown":"### High-Performance Vertex Race Piston\n\nEnhance your engine performance with the Vertex Grade D 66.38mm Single Ring Race Piston. Engineered for demanding environments, this piston is manufactured using advanced Low-Ex silicon-charged aluminium alloys, providing superior structural integrity and thermal resistance. Whether you are performing a top-end rebuild or seeking to maintain peak race performance, Vertex pistons offer the precision and reliability required by professional riders.\n\n### Advanced Manufacturing and Material Quality\n\nVertex utilizes cutting-edge production techniques to ensure every piston meets rigorous standards. Through gravity casting or hydraulic forging processes, each piston is refined using a specialized heat treatment cycle in an automatic HT implant. This process optimizes the material structure for maximum durability under high-stress conditions.\n\n### Key Features\n\n \n- Precision Engineering: CNC machined using high-tech software and diamond tooling for exact surface finishes.\n \n- Molybdenum Bisulphite Coating: A specialized black coating that assists in the break-in process and reduces internal cylinder friction.\n \n- Phosphate Coating Technology: Inspired by Formula One engineering, the piston features an all-over phosphate coating that increases surface hardness and improves the adhesion of the Molybdenum layer, doubling its overall durability.\n \n- Quality Assured: Every piston undergoes strict manual and automatic quality control inspections to guarantee consistent performance.\n\nBy choosing Vertex, you are investing in technology designed to extend engine life and improve power delivery. This single ring piston is designed for a precise fit and reliable operation in high-performance applications.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/kawasaki-kx-250-2002-2004-grade-d-6638mm-single-ring-race-piston","buyOneNow":null,"basketWithThis":null}},"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."]}}