{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"903f04fb3548","name":"KAWASAKI KX 250 2005-2008 GRADE A 66.35mm SINGLE RING RACE PISTON","sku":"V.3125A","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, depending on the application. They are produced using gravity cast or hydraulic forging processes, followed by heat treatment in an automatic implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines and diamond tools to achieve specific surface finishes. Each piston undergoes manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A newer Phosphate Coating, used in Formula One engines, offers increased hardness, light surface porosity, and superior adhesion and durability. This is a single ring, Grade A, 66.35mm race piston.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-2005-2008-grade-a-66.35mm-1691-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-2005-2008-grade-a-66.35mm-1691-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 implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines and diamond tools to achieve specific surface finishes. Each piston undergoes manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A newer Phosphate Coating, used in Formula One engines, offers increased hardness, light surface porosity, and superior adhesion and durability. This is a single ring, Grade A, 66.35mm race piston.","descriptionMarkdown":"### Vertex High-Performance 66.35mm Race Piston\n\nUpgrade your engine performance with the Vertex Grade A Race Piston. Engineered for reliability and power, this piston is manufactured using exotic Low-Ex silicon-charged aluminium alloys. Through advanced gravity casting and hydraulic forging processes, Vertex ensures a refined material structure that is further enhanced by cutting-edge heat treatment technology.\n\nEvery piston is precision-machined using state-of-the-art CNC technology and diamond tooling to achieve the exact surface finish required for high-performance applications. To ensure maximum durability and performance, each unit undergoes a rigorous manual and automatic quality control inspection.\n\n### Key Features\n\n \n- Advanced Alloy Construction: Crafted from high-grade, low-expansion silicon alloys for superior thermal stability and strength.\n \n- Phosphate Coating: Features an all-over phosphate coating that increases surface hardness and provides light porosity, ensuring superior adhesion for the friction-reducing layer.\n \n- Molybdenum Bisulphite Finish: Coated with Molybdenum Bisulphite to assist during the break-in period and significantly reduce internal cylinder friction.\n \n- Precision Engineering: Manufactured with CNC technology and diamond-tipped tools for high-tolerance specifications.\n \n- Enhanced Durability: The combination of advanced coatings extends the working life and reliability of the piston under race conditions.\n\nWhether you are performing a top-end rebuild or seeking a reliable upgrade for your race engine, the Vertex 66.35mm single ring piston provides the professional-grade quality necessary to maintain peak performance and engine longevity.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/kawasaki-kx-250-2005-2008-grade-a-6635mm-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."]}}