{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"6c7fa0bd643f","name":"YAMAHA YZF 250 2008-2013 GRADE B 76.96mm HIGH COMPRESSION 13.9:1","sku":"V.3394B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":275.32,"formatted":"£275.32"},"summary":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for high-pressure four-stroke engines. Each piston features a Molybdenum Disulphide (MOS2) coating on the piston skirt for break-in and reduced wear. Vertex offers unique piston profiles and compression ratios in A, B, C, and D sizes, with 0.01mm variations for precise cylinder fitment, maximizing performance and minimizing blow-by and oil consumption. This is a Grade B piston with a bore of 76.96mm and a compression ratio of 13.9:1.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-250-2008-2013-grade-b-76.96mm-high-compression-13.9-1-1794-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-250-2008-2013-grade-b-76.96mm-high-compression-13.9-1-1794-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suitable for high-pressure four-stroke engines. Each piston features a Molybdenum Disulphide (MOS2) coating on the piston skirt for break-in and reduced wear. Vertex offers unique piston profiles and compression ratios in A, B, C, and D sizes, with 0.01mm variations for precise cylinder fitment, maximizing performance and minimizing blow-by and oil consumption. This is a Grade B piston with a bore of 76.96mm and a compression ratio of 13.9:1.","descriptionMarkdown":"### Vertex High Compression Four-Stroke Piston\n\nEnhance the performance and reliability of your motorcycle engine with this Vertex high compression four-stroke piston. Engineered for riders who demand peak power and consistent performance, this piston is a precision-manufactured component designed to withstand the extreme pressures of modern high-performance engines.\n\nVertex pistons are forged from premium 2618 aluminum alloy, providing an exceptional strength-to-weight ratio and superior durability under intense thermal loads. This specific Grade B piston features a 76.96mm diameter and is engineered to deliver a 13.9:1 compression ratio, helping to maximize your engine's combustion efficiency.\n\n### Key Features\n\n \n- High-Quality Construction: Forged from high-grade 2618 aluminum alloy for maximum structural integrity and engine longevity.\n \n- Performance Coating: Each piston features a unique Molybdenum Disulphide (MOS2) coating on the skirt to assist with the break-in process and minimize friction-related wear.\n \n- Precision Sizing: As a Grade B component, this piston provides a precise fit within the cylinder bore, helping to reduce oil consumption and minimize blow-by.\n \n- Optimized Compression: Designed specifically for high compression applications to improve throttle response and overall engine power output.\n \n- Engineered for Reliability: Built to handle the rigorous demands of racing and high-performance riding conditions.\n\nWhether you are performing a routine engine rebuild or looking to upgrade your current setup, this Vertex piston offers the quality and engineering required to keep your machine performing at its best.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yzf-250-2008-2013-grade-b-7696mm-high-compression-1391","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/6c7fa0bd643f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/6c7fa0bd643f: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."]}}