{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"aa8058356d00","name":"KAWASAKI KX 250 2002-2004 GRADE D 66.38mm TWIN RING PISTON","sku":"V.2795D","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-expansion silicon aluminum alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are made using gravity cast or hydraulic forging and then heat treated in an automatic implant with hot water quenching. This advanced heat treating process is cutting edge technology for these aluminum alloys. Machining is completed using the latest CNC machines and software with diamond tools, achieving specific surface finishes for each application. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. A new, all-over Phosphate Coating offers increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. This piston is twin ring, 66.38mm, Grade D.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-2002-2004-grade-a-66.35mm-265-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-2002-2004-grade-a-66.35mm-265-p.jpg"],"description":"Vertex pistons are manufactured using low-expansion silicon aluminum alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are made using gravity cast or hydraulic forging and then heat treated in an automatic implant with hot water quenching. This advanced heat treating process is cutting edge technology for these aluminum alloys. Machining is completed using the latest CNC machines and software with diamond tools, achieving specific surface finishes for each application. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. A new, all-over Phosphate Coating offers increased hardness and surface porosity for superior adhesion and durability of the Molybdenum Coating. This piston is twin ring, 66.38mm, Grade D.","descriptionMarkdown":"### Vertex Grade D 66.38mm Twin Ring Piston\n\nThe Vertex Grade D Twin Ring Piston is engineered for high performance and durability, utilizing advanced manufacturing processes to meet the demands of competitive engine builds. Crafted from specialized Low-Ex (low expansion) silicon-charged aluminium alloys, this piston provides optimal strength and thermal stability under intense operating conditions.\n\nVertex employs a rigorous gravity cast or hydraulic forging process, refined through a state-of-the-art heat treatment cycle to ensure superior material structural integrity. Each piston is precision-machined using CNC technology and diamond tooling to achieve exact surface finishes tailored for high-performance use.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Constructed from Low-Ex silicon-charged aluminium for enhanced durability and performance.\n \n- Precision Machining: Manufactured using high-tech CNC software and diamond tools to ensure consistent tolerances.\n \n- Dual-Layer Coating Technology: Features a Molybdenum Bisulphite black coating to reduce friction and assist with the break-in process.\n \n- Enhanced Durability: Includes a high-grade Phosphate Coating that increases surface hardness and improves the adhesion and longevity of the Molybdenum finish.\n \n- Rigorous Quality Control: Every unit undergoes strict manual and automatic inspection processes to ensure the highest quality standards.\n \n- Twin Ring Design: Engineered to provide an excellent seal and stable compression during operation.\n\nWhether you are performing a top-end rebuild or a full engine refresh, this Vertex piston offers the reliability and performance necessary for peak engine efficiency.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/kawasaki-kx-250-2002-2004-grade-d-6638mm-twin-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/aa8058356d00:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/aa8058356d00:1"}},"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."]}}