{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fb818812a33d","name":"KTM SX 300I (FUEL INJECTED) 2018-2023 GRADE A 71.925mm TWIN RING PISTON","sku":"V.4244A","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":5,"price":{"amount":291.52,"formatted":"£291.52"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon, depending on the application. Pistons are produced using gravity casting or hydraulic forging, followed by a hi-tech heat treatment process involving solubilization by quench in hot water. Machining is performed using the latest CNC machines and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating, developed from Formula One engine technology, offers increased hardness, light surface porosity, and superior adhesion for extended coating durability. This is a twin ring piston with a diameter of 71.925mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-exc-300-tpi-fuel-injected-2018-2020-grade-a-71.925mm-twin-ring-piston-7880-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-exc-300-tpi-fuel-injected-2018-2020-grade-a-71.925mm-twin-ring-piston-7880-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon, depending on the application. Pistons are produced using gravity casting or hydraulic forging, followed by a hi-tech heat treatment process involving solubilization by quench in hot water. Machining is performed using the latest CNC machines and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating, developed from Formula One engine technology, offers increased hardness, light surface porosity, and superior adhesion for extended coating durability. This is a twin ring piston with a diameter of 71.925mm.","descriptionMarkdown":"### Vertex Grade A 71.925mm Twin Ring Piston\n\nThe Vertex Grade A 71.925mm Twin Ring Piston is engineered for precision performance and long term durability. Designed to meet the demanding requirements of high performance engines, this piston utilizes advanced manufacturing techniques to ensure optimal power delivery and reliability.\n\nVertex manufactures these pistons using high quality Low-Ex silicon-charged aluminium alloys. Through a combination of gravity casting or hydraulic forging, followed by a sophisticated heat treatment process involving automatic solubilization and hot water quenching, the structural integrity of the material is significantly refined for maximum strength.\n\n### Key Features\n\n \n- Precision Engineering: Machined using state of the art CNC technology and diamond tipped tooling for exact tolerances and superior surface finishes.\n \n- Advanced Coating Technology: Features a specialized Molybdenum Bisulphite black coating designed to reduce friction and assist in a smoother break in process.\n \n- Enhanced Durability: Incorporates a phosphate coating that increases surface hardness and provides superior adhesion for the Molybdenum layer, effectively doubling the coating durability.\n \n- Rigorous Quality Control: Every piston undergoes strict manual and automatic inspections to guarantee the highest level of manufacturing quality.\n \n- Optimized Design: The twin ring configuration ensures a consistent seal and heat transfer, maintaining compression and performance across the operating range.\n\nWhether you are performing a top end rebuild or looking for an upgrade for your fuel injected machine, the Vertex twin ring piston provides the performance and reliability required for competitive and recreational riding.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-300i-fuel-injected-2018-2023-grade-a-71925mm-twin-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fb818812a33d:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fb818812a33d: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."]}}