{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2d492c237aed","name":"YAMAHA YFZ 450 QUAD ALL MODELS 2003 - 2019 STEEL INTAKE VALVE  CONVERSION KIT","sku":"PROX.28-SIS2424-2","brand":"Prox","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":251.02,"formatted":"£251.02"},"summary":"Steel intake valve conversion kit made of premium grade steel manufactured to exact OEM specifications and tolerances. Made by leading OEM factories in Japan, these are a direct and cost-efficient OEM replacement. ProX offers a wide range of steel and titanium engine valves as well as titanium into steel conversion kits.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-450-2003-2009-wrf-450-2003-2015-steel-intake-valve-conversion-kit-11232-dv-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-450-2003-2009-wrf-450-2003-2015-steel-intake-valve-conversion-kit-11232-dv-p.jpg"],"description":"Steel intake valve conversion kit made of premium grade steel manufactured to exact OEM specifications and tolerances. Made by leading OEM factories in Japan, these are a direct and cost-efficient OEM replacement. ProX offers a wide range of steel and titanium engine valves as well as titanium into steel conversion kits.","descriptionMarkdown":"### ProX Steel Intake Valve Conversion Kit\n\nUpgrade your engine reliability with the ProX Steel Intake Valve Conversion Kit. Designed as a direct and cost-efficient replacement for your original components, this kit provides a robust alternative for riders looking to enhance durability without sacrificing performance.\n\nProX valve train components are manufactured by leading OEM factories in Japan to meet exact specifications and tolerances. By switching to steel valves, you gain a reliable engine setup that is built to handle the demands of high-performance riding while maintaining precision fitment.\n\n### Key Features\n\n \n- Premium Grade Steel: Manufactured from high-quality materials to ensure long-lasting durability and consistent performance.\n \n- OEM Specifications: Engineered to exact factory tolerances for a seamless installation and reliable engine function.\n \n- Proven Reliability: Crafted by leading Japanese manufacturers to provide a dependable upgrade over standard components.\n \n- Cost-Efficient Solution: An ideal alternative for riders needing a high-quality intake valve replacement that balances strength and value.\n\nWhether you are performing a top-end rebuild or looking for a more robust valve train configuration, the ProX Steel Intake Valve Conversion Kit offers the engineering precision and material quality required to keep your engine running at its peak.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yfz-450-quad-all-models-2003-2019-steel-intake-valve-conversion-kit","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2d492c237aed:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2d492c237aed: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."]}}