{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"333d93abc0e7","name":"VALVE EXHAUST TITANIUM YZF450, PROX 28.2423-1 5TA-12121-00-00","sku":"65-425.PX.TI","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":100.66,"formatted":"£100.66"},"summary":"ProX Titanium Hi-Performance Racing Exhaust Valve. Head Diameter 28.00mm, Stem Diameter 5.00mm, Length 75.08mm. Manufactured from high-tech Ti3al alloy forged in one-piece for extra strength and superior material properties at high temperatures. Features CrN coating for extreme surface hardness and reduced friction. Part Number: PROX 28.2423-1. Manufacturer: Pro-X Racing.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve - Exhaust"},{"label":"Variant Id","value":"263776"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-425_2EPX_2ETI/ec4d2145df041643.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-425_2EPX_2ETI/ec4d2145df041643.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-425_2EPX_2ETI/73ab6dcacde758f2.jpg"],"description":"ProX Titanium Hi-Performance Racing Exhaust Valve. Head Diameter 28.00mm, Stem Diameter 5.00mm, Length 75.08mm. Manufactured from high-tech Ti3al alloy forged in one-piece for extra strength and superior material properties at high temperatures. Features CrN coating for extreme surface hardness and reduced friction. Part Number: PROX 28.2423-1. Manufacturer: Pro-X Racing.","descriptionMarkdown":"### Pro-X Titanium Exhaust Valve for High-Performance Engines\n\nUpgrade your engine's performance with the Pro-X Titanium Exhaust Valve. Engineered for high-performance and racing applications, these valves are crafted from a high-tech Ti3Al alloy, forged in one piece for exceptional strength and durability.\n\nThe titanium construction offers superior material properties, especially at high temperatures, ensuring reliable performance under demanding conditions. A CrN coating provides extreme surface hardness and significantly reduces friction, leading to improved efficiency and longevity.\n\nPro-X titanium valves meet and exceed Original Equipment (OE) specifications in dimensions and reliability. These valves are designed as direct replacements to enhance your engine's capabilities.\n\n \n- Material: High-tech Ti3Al Alloy (Titanium)\n \n- Coating: CrN (Chromium Nitride) for hardness and low friction\n \n- Construction: One-piece forged for maximum strength\n \n- Performance: Designed to exceed OE specifications\n \n- Dimensions: Head Diameter 28.00mm, Stem Diameter 5.00mm, Length 75.08mm","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EC F 450","cc":null,"notes":null,"years":"2013–2015"},{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2003–2020"},{"make":"YAMAHA","model":"YFZ 450","cc":null,"notes":null,"years":"2004–2009, 2017"},{"make":"YAMAHA","model":"YFZ R 450","cc":null,"notes":null,"years":"2009–2025"},{"make":"YAMAHA","model":"YFZ SE 450","cc":null,"notes":null,"years":"2010–2019"},{"make":"YAMAHA","model":"YFZ X 450","cc":null,"notes":null,"years":"2008–2011"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2003–2009"}],"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-titanium-yzf450-prox-282423-1-5ta-12121-00-00","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/333d93abc0e7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/333d93abc0e7:1"}},"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."]}}