{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1321bc51efe7","name":"VALVE EXHAUST YZ250F 14-18, KIBBLEWHITE 80-80916","sku":"65-5014.KW.SS","brand":"Kibblewhite","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":6,"price":{"amount":31.15,"formatted":"£31.15"},"summary":"This Black Diamond stainless steel exhaust valve is precision engineered from a one-piece forging and features a black nitrided surface treatment for superior wear resistance and reduced friction. Each valve undergoes advanced design and testing processes to ensure consistent flow performance and durability. It is manufactured from Black Diamond stainless steel with a black nitrided coating for enhanced wear and corrosion resistance. The one-piece forging provides strength and longevity. Designed using Finite Element Analysis (FEA), it has flow-tested profiles for optimized exhaust efficiency. Installation requires the use of KPMI Spring Kit #80-81400. Specifications include a 25.00mm head diameter, 4.5mm stem diameter, 30-degree tulip angle, and 82.30mm overall length. This is a standard size valve.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve - Exhaust"},{"label":"Variant Id","value":"292866"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-5014_2EKW_2ESS/2fbf664013e82692.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-5014_2EKW_2ESS/2fbf664013e82692.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-5014_2EKW_2ESS/486dc95b54a8689d.jpg"],"description":"This Black Diamond stainless steel exhaust valve is precision engineered from a one-piece forging and features a black nitrided surface treatment for superior wear resistance and reduced friction. Each valve undergoes advanced design and testing processes to ensure consistent flow performance and durability. It is manufactured from Black Diamond stainless steel with a black nitrided coating for enhanced wear and corrosion resistance. The one-piece forging provides strength and longevity. Designed using Finite Element Analysis (FEA), it has flow-tested profiles for optimized exhaust efficiency. Installation requires the use of KPMI Spring Kit #80-81400. Specifications include a 25.00mm head diameter, 4.5mm stem diameter, 30-degree tulip angle, and 82.30mm overall length. This is a standard size valve.","descriptionMarkdown":"### Kibblewhite Black Diamond Stainless Steel Exhaust Valve\n\nThis Black Diamond&trade; Stainless Steel Exhaust Valve is precision engineered for optimal performance and durability. Manufactured from a one-piece forging, it features a robust construction designed to withstand the demands of high-performance engines.\n\nThe advanced black nitrided surface treatment offers superior wear resistance and reduced friction, ensuring smooth operation and extended component life. Each valve undergoes rigorous design and testing processes, including Finite Element Analysis (FEA) and flow-tested profiles, to guarantee consistent flow performance and enhanced exhaust efficiency.\n\n**Key Features:**\n\n\t\n- Constructed from durable Black Diamond&trade; Stainless Steel.\n\t\n- Features a black nitrided coating for enhanced wear and corrosion resistance.\n\t\n- One-piece forging provides exceptional strength and longevity.\n\t\n- Designed using Finite Element Analysis (FEA) for precision engineering.\n\t\n- Flow-tested profiles optimize exhaust efficiency.\n\t\n- This valve requires the use of KPMI&reg; Spring Kit #80-81400 for proper installation.\n\n**Specifications:**\n\n\t\n- Head Diameter: 25.00mm / 0.984\"\n\t\n- Stem Diameter: 4.5mm / 0.1760\"\n\t\n- Tulip Angle: 30 degrees\n\t\n- Overall Length (OL): 82.30mm / 3.240\"\n\t\n- Standard size.","weightGrams":null,"fitments":[{"make":"FANTIC","model":"XEF 250","cc":null,"notes":null,"years":"2021–2024"},{"make":"FANTIC","model":"XEF 310","cc":null,"notes":null,"years":"2024"},{"make":"FANTIC","model":"XXF 250","cc":null,"notes":null,"years":"2022–2024"},{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2014–2025"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2014–2025"},{"make":"YAMAHA","model":"YZ 250FX","cc":null,"notes":null,"years":"2014–2025"}],"collections":[{"name":"Cam & Valvetrain","url":"https://www.2brosparts.com/api/agent/collection/GB/cam-valvetrain"},{"name":"Valve - Exhaust","url":"https://www.2brosparts.com/api/agent/collection/GB/valve-exhaust"}],"links":{"page":"https://www.2brosparts.com/products/valve-exhaust-yz250f-14-18-kibblewhite-80-80916","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1321bc51efe7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1321bc51efe7:1"}},"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."]}}