{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"506891e43b65","name":"KAWASAKI KX 250 2005-2008 GRADE D 66.38mm TWIN RING PISTON","sku":"V.3124D","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. They are produced using gravity cast or hydraulic forging processes and refined with a high-tech heat treatment. Machining is completed using the latest CNC machines and diamond tools, achieving specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a Molybdenum Bisulphite black coating for break-in and friction reduction, and a new Phosphate Coating is available for increased hardness, surface porosity, and enhanced Molybdenum Coating adhesion, doubling durability. This twin ring piston has a bore of 66.38mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-2005-2008-grade-d-66.38mm-1694-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/kawasaki-kx-250-2005-2008-grade-d-66.38mm-1694-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon content depending on the application. They are produced using gravity cast or hydraulic forging processes and refined with a high-tech heat treatment. Machining is completed using the latest CNC machines and diamond tools, achieving specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a Molybdenum Bisulphite black coating for break-in and friction reduction, and a new Phosphate Coating is available for increased hardness, surface porosity, and enhanced Molybdenum Coating adhesion, doubling durability. This twin ring piston has a bore of 66.38mm.","descriptionMarkdown":"### Vertex High Performance 66.38mm Twin Ring Piston\n\nThe Vertex Grade D twin ring piston is engineered to deliver superior engine performance and durability. Designed for demanding applications, this piston utilizes advanced metallurgical processes to ensure optimal strength and thermal stability under high-stress conditions.\n\nVertex manufactures these pistons using premium Low-Ex (low expansion) silicon-charged aluminium alloys. Through a combination of gravity casting or hydraulic forging and a precision heat-treatment process, the internal material structure is refined to provide exceptional resistance to wear and heat fatigue.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Constructed from specialized silicon-charged aluminium alloys to minimize expansion and maintain tolerances during peak operating temperatures.\n \n- Precision Machining: Manufactured using state of the art CNC equipment and diamond tooling for exact tolerances and superior surface finishes.\n \n- Molybdenum Bisulphite Coating: Features a black Molybdenum Bisulphite coating to assist in the break in process and significantly reduce friction during cylinder operation.\n \n- Enhanced Phosphate Coating: Incorporates a Formula One inspired all over phosphate coating, which increases surface hardness and improves the adhesion of the Molybdenum layer for twice the durability.\n \n- Rigorous Quality Control: Every unit undergoes strict manual and automatic inspection processes to guarantee professional grade quality and consistency.\n\nBy integrating high tech tooling and advanced chemical coatings, Vertex pistons provide a reliable upgrade that helps maintain engine compression and performance consistency.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/kawasaki-kx-250-2005-2008-grade-d-6638mm-twin-ring-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."]}}