{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"34012f0cb4e8","name":"YAMAHA YZF 250 2019-2022 WRF 250 2020-2022 BIG BORE 80mm 270CC 13.8:1","sku":"V.4405","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 to handle the rigors and high pressures of modern four-stroke engines. Vertex pistons feature a Molybdenum Disulphide (MOS2) coating on the piston skirt to aid in the break-in process and reduce wear. Unique piston profiles and compression ratios are offered in A, B, C, and D sizes with variations of 0.01mm for a precise fit to the cylinder, maximizing power and performance while reducing blow-by and oil consumption. This is an 80mm 270cc big bore piston with a 13.8:1 compression ratio.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-250-2019-2020-wrf-250-2020-big-bore-80mm-270cc-10620-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-250-2019-2020-wrf-250-2020-big-bore-80mm-270cc-10620-p.jpg"],"description":"Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy to handle the rigors and high pressures of modern four-stroke engines. Vertex pistons feature a Molybdenum Disulphide (MOS2) coating on the piston skirt to aid in the break-in process and reduce wear. Unique piston profiles and compression ratios are offered in A, B, C, and D sizes with variations of 0.01mm for a precise fit to the cylinder, maximizing power and performance while reducing blow-by and oil consumption. This is an 80mm 270cc big bore piston with a 13.8:1 compression ratio.","descriptionMarkdown":"### Vertex Big Bore 80mm 270cc Piston Kit\n\nUpgrade the power and performance of your four-stroke engine with the Vertex Big Bore Piston Kit. Designed for riders seeking increased displacement and reliability, this 80mm piston increases engine capacity to 270cc with a high-performance 13.8:1 compression ratio.\n\nVertex pistons are engineered to withstand the extreme pressures and high-revving demands of modern motocross and enduro engines. Manufactured from high-quality 2618 aluminum alloy using a forging process, these pistons offer superior strength and durability compared to cast alternatives.\n\n### Key Features\n\n \n- Precision Forged Construction: Produced from 2618 aluminum alloy for exceptional structural integrity and heat resistance under heavy loads.\n \n- Advanced Coating: Features a specialized Molybdenum Disulphide (MOS2) skirt coating that assists in the break-in process while significantly reducing friction and wear.\n \n- Optimized Performance: Engineered to provide a 13.8:1 compression ratio, helping to unlock greater torque and power throughout the RPM range.\n \n- Engineered for Longevity: Vertex manufacturing techniques minimize blow-by and oil consumption, ensuring your engine maintains peak performance for longer periods.\n \n- Quality Assurance: Designed to meet the exact tolerances required for high-performance four-stroke applications.\n\nWhether you are rebuilding your engine or looking for a competitive edge on the track, the Vertex Big Bore 270cc kit provides the reliability and performance gains you need to push your motorcycle to the limit.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yzf-250-2019-2022-wrf-250-2020-2022-big-bore-80mm-270cc-1381","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/34012f0cb4e8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/34012f0cb4e8:1"}},"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."]}}