{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4cf3eeffb00d","name":"HONDA CRF 250R 2010 - 2017 BIG BORE 80mm 270cc 13.3:1","sku":"V.3653","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":291.52,"formatted":"£291.52"},"summary":"Vertex four-stroke pistons forged from high-quality 2618 aluminum alloy. These pistons are designed for the demands of modern four-stroke engines. Features a Molybdenum Disulphide MOS2 coating on the piston skirt to assist with break-in and reduce wear. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes, with 0.01mm variations for precise cylinder fitment, optimizing power and performance while minimizing blow-by and oil consumption. This specific piston is 80mm and offers a 270cc displacement with a 13.3:1 compression ratio.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2010-2017-big-bore-80mm-270cc-13.3-1-3565-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2010-2017-big-bore-80mm-270cc-13.3-1-3565-p.jpg"],"description":"Vertex four-stroke pistons forged from high-quality 2618 aluminum alloy. These pistons are designed for the demands of modern four-stroke engines. Features a Molybdenum Disulphide MOS2 coating on the piston skirt to assist with break-in and reduce wear. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes, with 0.01mm variations for precise cylinder fitment, optimizing power and performance while minimizing blow-by and oil consumption. This specific piston is 80mm and offers a 270cc displacement with a 13.3:1 compression ratio.","descriptionMarkdown":"### Vertex Big Bore 80mm 270cc 13.3:1 Piston Kit\n\nUpgrade your engine performance with the Vertex Big Bore Piston Kit. Designed for riders looking to increase displacement and power, this 80mm piston provides a 270cc upgrade with a 13.3:1 compression ratio. Engineered for high performance, Vertex four-stroke pistons are a premier choice for those demanding durability and improved engine output.\n\n### Advanced Engineering and Materials\n\nVertex pistons are forged from premium 2618 aluminum alloy, specifically selected to withstand the intense pressures and thermal stresses found in modern high-performance four-stroke engines. The construction ensures structural integrity while maintaining a lightweight profile to maximize throttle response.\n\n### Key Features\n\n \n- Increased Displacement: Features an 80mm bore size to achieve a 270cc capacity.\n \n- High Compression: Engineered with a 13.3:1 compression ratio for optimized combustion efficiency.\n \n- Durable Construction: Forged from high-quality 2618 aluminum alloy for superior strength.\n \n- MOS2 Coating: Each piston skirt features a unique Molybdenum Disulphide (MOS2) coating, which assists in the break-in process and significantly reduces friction and wear.\n \n- Precision Sizing: Vertex offers unique piston profiles to ensure the perfect fit within your cylinder, which helps to minimize blow-by and reduce oil consumption.\n\nWhether you are rebuilding your engine for competitive racing or seeking an edge in power delivery, the Vertex Big Bore Piston Kit provides the reliability and performance gains necessary to keep your machine running at its peak.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-2010-2017-big-bore-80mm-270cc-1331","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4cf3eeffb00d:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4cf3eeffb00d: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."]}}