{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"562f1bfbea8e","name":"KTM SX-F 350 2011-2012 GRADE B 87.97mm HIGH COMPRESSION 14.0:1","sku":"V.3642B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":323.92,"formatted":"£323.92"},"summary":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for high pressures in modern four-stroke engines. The piston skirt features a Molybdenum Disulphide (MOS2) coating for easier break-in and reduced wear. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes, with 0.01mm variations for a precise cylinder fit, maximizing power and performance while minimizing blow-by and oil consumption. This piston is Grade B, has a bore of 87.97mm, and a high compression ratio of 14.0:1.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-f-350-2011-2012-grade-b-87.97mm-high-compression-14.0-1-3653-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-f-350-2011-2012-grade-b-87.97mm-high-compression-14.0-1-3653-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for high pressures in modern four-stroke engines. The piston skirt features a Molybdenum Disulphide (MOS2) coating for easier break-in and reduced wear. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes, with 0.01mm variations for a precise cylinder fit, maximizing power and performance while minimizing blow-by and oil consumption. This piston is Grade B, has a bore of 87.97mm, and a high compression ratio of 14.0:1.","descriptionMarkdown":"### Vertex High Compression Four-Stroke Piston\n\nUpgrade your engine performance with the Vertex high compression four-stroke piston. Engineered for riders who demand reliability and power, this piston is forged from premium 2618 aluminum alloy. This high-strength material is specifically chosen to withstand the intense pressures and rigorous conditions found in modern high-performance four-stroke engines.\n\n### Key Features\n\n \n- High Compression Design: Features a 14.0:1 compression ratio to maximize combustion efficiency and increase overall engine power output.\n \n- Precision Engineering: Manufactured to an 87.97mm diameter, this Grade B piston allows for a precise fit within the cylinder to ensure optimal sealing.\n \n- MOS2 Coating: Each piston is finished with a specialized Molybdenum Disulphide (MOS2) coating on the skirt to assist during the break-in period and minimize friction-related wear.\n \n- Durable Construction: The forged 2618 aluminum alloy construction provides exceptional thermal stability and fatigue resistance, even under demanding racing conditions.\n \n- Performance Optimization: Designed to reduce blow-by and oil consumption, ensuring your engine maintains consistent performance throughout its service life.\n\nBy choosing a precisely sized Vertex piston, you ensure that your engine clearances remain within factory specifications, translating to smoother operation and increased longevity. Vertex remains a top choice for engine builders and riders looking for quality replacement components that meet or exceed original equipment performance standards.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-f-350-2011-2012-grade-b-8797mm-high-compression-1401","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/562f1bfbea8e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/562f1bfbea8e: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."]}}