{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f8104db25455","name":"VALVE EXHAUST CRF250 04-07, KIBBLEWHITE 30-30633, CRF250X 04-09","sku":"65-420.KW.SS","brand":"Kibblewhite","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":5,"price":{"amount":44.45,"formatted":"£44.45"},"summary":"Kibblewhite exhaust valve made from Black Diamond stainless steel with Black Nitroneg coating for enhanced wear resistance, reduced friction, and superior corrosion protection. This one-piece forged valve is engineered using Finite Element Analysis and is compatible with OEM spring kits or KPMI's Lightweight Racing Spring Kits. Specifications include a head diameter of 26.00 mm (1.024 in), stem diameter of 5.0 mm (0.1956 in), a 20 degree tulip, and an overall length of 3.235 inches. Replaces OEM P/N: 14721-KRN-670. Quantity: 1.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve - Exhaust"},{"label":"Variant Id","value":"263747"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-420_2EKW_2ESS/cc01a12b406147ab.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-420_2EKW_2ESS/cc01a12b406147ab.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-420_2EKW_2ESS/2a9031de64f933b6.jpg"],"description":"Kibblewhite exhaust valve made from Black Diamond stainless steel with Black Nitroneg coating for enhanced wear resistance, reduced friction, and superior corrosion protection. This one-piece forged valve is engineered using Finite Element Analysis and is compatible with OEM spring kits or KPMI's Lightweight Racing Spring Kits. Specifications include a head diameter of 26.00 mm (1.024 in), stem diameter of 5.0 mm (0.1956 in), a 20 degree tulip, and an overall length of 3.235 inches. Replaces OEM P/N: 14721-KRN-670. Quantity: 1.","descriptionMarkdown":"### Kibblewhite Black Diamond Exhaust Valve for Honda CRF250R/X\n\nUpgrade your Honda CRF250R or CRF250X engine with this high-performance Black Diamond exhaust valve from Kibblewhite. Engineered for durability and optimal performance, this valve is designed to withstand the rigors of demanding riding conditions.\n\nThe Black Diamond series utilizes a proprietary German-engineered treatment process on high-strength stainless steel. This treatment significantly enhances wear resistance, reduces friction between the valve and guide, and provides superior protection against corrosion. This ensures a longer lifespan and consistent performance for your engine.\n\nThis exhaust valve features a one-piece forged design, providing exceptional strength and reliability. It has been meticulously engineered using Finite Element Analysis (FEA) to optimize its structure and performance characteristics.\n\nFor added versatility, this valve is fully compatible with OEM spring kits. For those seeking maximum performance gains in high-performance builds, it is also recommended for use with Kibblewhite's Lightweight Racing Spring Kits.\n\n#### Key Features:\n\n\t\n- Material: Constructed from high-strength Black Diamond™ stainless steel for superior durability.\n\t\n- Coating: Features a Black Nitroneg coating to improve durability and reduce friction.\n\t\n- Design: One-piece forged construction ensures strength and reliability.\n\t\n- Engineering: Developed using Finite Element Analysis for optimized performance.\n\t\n- Compatibility: Works with OEM spring kits and is recommended with KPMI racing spring kits for aggressive builds.\n\t\n- Valve Type: Exhaust\n\t\n- Head Diameter: 26.00 mm / 1.024\"\n\t\n- Stem Diameter: 5.0 mm / 0.1956\"\n\t\n- Tulip: 20º\n\t\n- Overall Length: 3.235\"\n\t\n- Remarks: Standard\n\t\n- Replaces OEM Part Number: 14721-KRN-670","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2004–2007"},{"make":"HONDA","model":"CRF 250X","cc":null,"notes":null,"years":"2004–2017"}],"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-crf250-04-07-kibblewhite-30-30633-crf250x-04-09","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f8104db25455:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f8104db25455:1"}},"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."]}}