{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"8df53d4d2075","name":"KAWASAKI KX 250 1998-2001 GRADE A 66.35mm SINGLE RING RACE PISTON","sku":"V.2579A","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 casting or hydraulic forging, then heat treated using 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. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with Molybdenum Bisulphite for break-in and friction reduction, and a new Phosphate Coating for increased hardness, surface porosity, and Molybdenum Coating adhesion. This piston is 66.35mm with a single ring.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-1998-2001-grade-a-66.35mm-1684-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-1998-2001-grade-a-66.35mm-1684-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 casting or hydraulic forging, then heat treated using 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. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with Molybdenum Bisulphite for break-in and friction reduction, and a new Phosphate Coating for increased hardness, surface porosity, and Molybdenum Coating adhesion. This piston is 66.35mm with a single ring.","descriptionMarkdown":"### Vertex Grade A 66.35mm Single Ring Race Piston\n\nEnhance the performance and reliability of your engine with the Vertex Grade A 66.35mm Single Ring Race Piston. Engineered for competitive use, this high-performance piston is manufactured using advanced metallurgical techniques to ensure optimal strength, reduced weight, and superior durability under high-stress conditions.\n\nVertex pistons are crafted from specialized Low-Ex (low expansion) silicon-charged aluminum alloys. Depending on the specific application, these alloys contain 12%, 18%, or 21% silicon, providing excellent thermal stability and wear resistance. Each piston undergoes a sophisticated heat treatment process involving automatic solubilization and hot water quenching to refine the material structure, resulting in an exceptionally robust component.\n\n### Key Features\n\n \n- Precision Engineering: Machined using state-of-the-art CNC technology and diamond tooling to achieve exact specifications and surface finishes.\n \n- Advanced Coatings: Features a Molybdenum Bisulphite black coating to minimize friction during the break-in period and throughout operation.\n \n- Phosphate Coating: Utilizes a specialized phosphate surface treatment for increased hardness and improved adhesion of the Molybdenum coating, significantly extending component lifespan.\n \n- Quality Assured: Every piston undergoes rigorous manual and automatic quality control checks to meet the highest standards of performance and reliability.\n \n- Race Ready: Designed specifically for demanding racing applications, ensuring consistent power delivery and engine longevity.\n\nWhether you are performing a top-end rebuild or preparing for a racing season, this Vertex race piston offers the precision and structural integrity required to keep your engine performing at its peak.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/kawasaki-kx-250-1998-2001-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."]}}