{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1a56e7ee65e0","name":"HONDA CRF 450R 2002 - 2008 STEEL INTAKE VALVE  CONVERSION KIT","sku":"PROX.28-SIS1403-2","brand":"Prox","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":202.42,"formatted":"£202.42"},"summary":"Steel intake valves manufactured of premium grade steel to exact OEM specifications and tolerances. These steel valves are made by leading OEM factories in Japan and 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/honda-crf-450r-2002-2008-steel-intake-valve-conversion-kit-9718-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-crf-450r-2002-2008-steel-intake-valve-conversion-kit-9718-p.jpg"],"description":"Steel intake valves manufactured of premium grade steel to exact OEM specifications and tolerances. These steel valves are made by leading OEM factories in Japan and 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\nThe ProX Steel Intake Valve Conversion Kit provides a reliable and cost-effective alternative to standard titanium setups. Engineered for durability and longevity, these valves are manufactured in leading Japanese OEM factories to meet exact specifications and tolerances, ensuring a precise fit and optimal engine performance.\n\nSwitching from titanium to a steel valve train is a popular choice for riders seeking increased service intervals and long-term durability. By utilizing premium grade steel, these intake valves offer superior resistance to heat and wear, making them an excellent choice for maintaining consistent engine power over extended use.\n\n### Key Features\n\n \n- Premium Materials: Manufactured from high-grade steel to meet or exceed OEM manufacturing standards.\n \n- Japanese Engineering: Produced by industry-leading OEM factories in Japan for guaranteed quality and consistency.\n \n- Enhanced Durability: Offers increased longevity compared to traditional titanium valves, reducing the frequency of valve adjustments.\n \n- Direct Replacement: Designed as a comprehensive conversion kit, allowing for a straightforward transition to a steel valve train.\n \n- Strict Tolerances: Built to exact dimensional specifications to ensure seamless integration into your existing cylinder head assembly.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-crf-450r-2002-2008-steel-intake-valve-conversion-kit","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1a56e7ee65e0:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1a56e7ee65e0:1"}},"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."]}}