{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"db47ffe55bd8","name":"KTM SX-F 250 2006-2012 EXC-F 250 2007-2013 BIG BORE XL 84mm 305cc 13.3:1","sku":"V.3296.800","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":242.92,"formatted":"£242.92"},"summary":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for modern four-stroke engines. Vertex pistons use a Molybdenum Disulphide (MOS2) coating on the piston skirt for break-in and wear reduction. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes. This 0.01mm variation allows for precise sizing to the cylinder, maximizing power and performance while reducing blow-by and oil consumption. This is a BIG BORE XL piston with an 84mm bore, 305cc displacement, and a 13.3:1 compression ratio.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-f-250-2006-2012-exc-f-250-2007-2013-big-bore-xl-84mm-305cc-13.3-1-3648-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-f-250-2006-2012-exc-f-250-2007-2013-big-bore-xl-84mm-305cc-13.3-1-3648-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for modern four-stroke engines. Vertex pistons use a Molybdenum Disulphide (MOS2) coating on the piston skirt for break-in and wear reduction. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes. This 0.01mm variation allows for precise sizing to the cylinder, maximizing power and performance while reducing blow-by and oil consumption. This is a BIG BORE XL piston with an 84mm bore, 305cc displacement, and a 13.3:1 compression ratio.","descriptionMarkdown":"### Vertex Big Bore XL Piston Kit 84mm 305cc\n\nEnhance the power and performance of your four-stroke engine with this premium Vertex Big Bore XL piston kit. Engineered for riders who demand reliability and increased output, this high-performance piston is built to handle the intense pressures and high-revving demands of modern off-road engines.\n\nVertex pistons are forged from high-quality 2618 aluminum alloy, providing exceptional structural integrity and heat resistance. To ensure smooth operation and long-term durability, each piston features a specialized Molybdenum Disulphide (MOS2) coating on the skirt, which aids in the break-in process and significantly reduces friction and wear.\n\n### Key Features:\n\n \n- Increased Displacement: Designed as a Big Bore XL configuration (84mm) to increase engine capacity to 305cc.\n \n- High Compression Ratio: Features a 13.3:1 compression ratio to maximize combustion efficiency and torque output.\n \n- Forged Construction: Crafted from 2618 aluminum alloy for maximum strength and resilience under high-load conditions.\n \n- MOS2 Skirt Coating: Advanced Molybdenum Disulphide coating reduces engine friction, minimizes wear, and assists with a quick, safe break-in period.\n \n- Precision Engineering: Manufactured to exacting tolerances to reduce blow-by and oil consumption, ensuring your engine runs cleaner and more efficiently for longer.\n\nWhether you are looking to revitalize a tired engine or seeking a competitive edge, this Vertex piston kit delivers the professional-grade quality required for serious performance builds.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-f-250-2006-2012-exc-f-250-2007-2013-big-bore-xl-84mm-305cc-1331","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/db47ffe55bd8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/db47ffe55bd8:1"}},"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."]}}