{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b9308ccea2e1","name":"HONDA CRF 250R 2010 - 2015 BIG BORE 79mm 265cc 13.5:1","sku":"V.3589","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":291.52,"formatted":"£291.52"},"summary":"Vertex 23589 four-stroke piston. Forged from 2618 aluminum alloy, this 79mm 265cc piston features a 13.5:1 compression ratio. The piston skirt has a Molybdenum Disulphide MOS2 coating to aid break-in and reduce wear. Available in sizing A, B, C, and D for precise cylinder fitment, maximizing performance and minimizing blow-by and oil consumption.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2010-2015-big-bore-79mm-265cc-13.5-1-3564-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2010-2015-big-bore-79mm-265cc-13.5-1-3564-p.jpg"],"description":"Vertex 23589 four-stroke piston. Forged from 2618 aluminum alloy, this 79mm 265cc piston features a 13.5:1 compression ratio. The piston skirt has a Molybdenum Disulphide MOS2 coating to aid break-in and reduce wear. Available in sizing A, B, C, and D for precise cylinder fitment, maximizing performance and minimizing blow-by and oil consumption.","descriptionMarkdown":"### Vertex Big Bore 79mm 265cc Piston Kit\n\nUpgrade your engine performance with the Vertex Big Bore Piston Kit. Designed for riders looking to maximize displacement and power, this 79mm piston increases your engine capacity to 265cc while maintaining a 13.5:1 compression ratio for optimized combustion efficiency.\n\nVertex four-stroke pistons are engineered to meet the demanding requirements of modern high-performance engines. By increasing the bore size, this kit helps unlock additional torque and horsepower, making it an ideal choice for engine rebuilds or performance upgrades.\n\n### Key Features\n\n \n- High-Quality Material: Forged from premium 2618 aluminum alloy to withstand the high pressures and extreme internal temperatures of racing engines.\n \n- Advanced Coating: Each piston features a specialized Molybdenum Disulphide (MOS2) coating on the skirt to assist with the break-in process and minimize friction-related wear.\n \n- Precision Engineering: Manufactured to specific profiles to ensure optimal sealing, which effectively reduces blow-by and oil consumption.\n \n- Performance Focused: Designed to provide a perfect fit within the cylinder, maximizing power output and engine longevity.\n\nWhether you are competing on the track or maintaining your bike for peak performance, Vertex pistons provide the durability and reliability needed to push your engine to its limits.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-2010-2015-big-bore-79mm-265cc-1351","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b9308ccea2e1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b9308ccea2e1:1"}},"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. Checkout links only work for shoppers in the UK: for anywhere else, give them the product pages.","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."]}}