{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c6bcdbd9d017","name":"HONDA CRF 250R 2004 - 2007 CRF 250X 2004 - 2017 STEEL INTAKE VALVE  CONVERSION KIT","sku":"PROX.28-SIS1336-2","brand":"Prox","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":202.42,"formatted":"£202.42"},"summary":"PROX steel intake valve conversion kit. Manufactured from premium grade steel to exact OEM specifications and tolerances by leading OEM factories in Japan. A direct and cost-efficient OEM replacement. The high-tech Ti3al alloy is forged in one piece for extra strength and offers superior material properties at high temperatures.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2004-2007-crf-250x-2004-2017-steel-intake-valve-conversion-kit-8993-1-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-250r-2004-2007-crf-250x-2004-2017-steel-intake-valve-conversion-kit-8993-1-p.jpg"],"description":"PROX steel intake valve conversion kit. Manufactured from premium grade steel to exact OEM specifications and tolerances by leading OEM factories in Japan. A direct and cost-efficient OEM replacement. The high-tech Ti3al alloy is forged in one piece for extra strength and offers superior material properties at high temperatures.","descriptionMarkdown":"### ProX Steel Intake Valve Conversion Kit\n\nThe ProX Steel Intake Valve Conversion Kit is engineered to provide a reliable and cost-effective alternative to standard OEM valve setups. Designed for riders seeking enhanced durability and consistent engine performance, this kit replaces lightweight titanium intake valves with high-grade steel components. This conversion is ideal for those looking to extend the service life of their valvetrain while maintaining precise engine tolerances.\n\nEvery component in this kit is manufactured in leading OEM factories in Japan, ensuring that each part meets strict quality standards and exact specifications. By switching to steel intake valves, users benefit from increased longevity, particularly in high-hour or demanding riding conditions where titanium components may reach their wear limits more quickly.\n\n### Key Features\n\n \n- Premium Steel Construction: Manufactured from high-grade steel to ensure superior strength and resistance to high-temperature engine environments.\n \n- OEM Standards: Produced in top-tier Japanese facilities to meet or exceed original equipment tolerances for a direct and reliable fit.\n \n- Durability Upgrade: Designed to offer a longer service life compared to traditional titanium intake valves, making it a cost-efficient maintenance solution.\n \n- Precision Engineering: Components are built to ensure optimal valvetrain geometry and consistent performance throughout the engine power band.\n \n- Complete Conversion: Includes the necessary parts to successfully transition your intake valvetrain from titanium to a more robust steel configuration.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-250r-2004-2007-crf-250x-2004-2017-steel-intake-valve-conversion-kit","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c6bcdbd9d017:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c6bcdbd9d017:1"}},"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."]}}