{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"278af2d56a3c","name":"KAWASAKI KXF 250 2004 - 2016 STEEL EXHAUST VALVE CONVERSION KIT","sku":"PROX.28-SES4335-1","brand":"Prox","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":202.42,"formatted":"£202.42"},"summary":"Steel exhaust valves manufactured from premium grade steel to exact OEM specifications and tolerances. Made by leading OEM factories in Japan, these steel valves are a direct and cost-efficient OEM replacement. This kit offers steel exhaust valves.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/rmz-250-2004-2006-steel-exhaust-valve-conversion-kit-11267-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/rmz-250-2004-2006-steel-exhaust-valve-conversion-kit-11267-p.jpg"],"description":"Steel exhaust valves manufactured from premium grade steel to exact OEM specifications and tolerances. Made by leading OEM factories in Japan, these steel valves are a direct and cost-efficient OEM replacement. This kit offers steel exhaust valves.","descriptionMarkdown":"### ProX Steel Exhaust Valve Conversion Kit\n\nUpgrade your engine reliability with the ProX Steel Exhaust Valve Conversion Kit. Designed as a direct and cost-efficient replacement for your original components, this kit allows you to transition from titanium to steel valves, providing a robust solution for riders looking to increase the longevity of their valve train.\n\nProX valves are manufactured in leading Japanese OEM factories to exact specifications and tolerances, ensuring a precise fit and consistent performance. By utilizing premium grade steel, these valves offer improved durability and resistance to the stresses of high-performance engine operation.\n\n### Key Features\n\n \n- Premium Materials: Manufactured from high-quality steel to meet or exceed OEM standards for durability.\n \n- Precision Engineering: Produced in Japan by top-tier OEM factories to ensure exact tolerances and reliable operation.\n \n- Cost-Efficient Upgrade: Provides a more affordable alternative to titanium valves without compromising engine integrity.\n \n- Reliable Performance: Ideal for riders seeking an engine component that offers increased service intervals and long-term consistency.\n \n- Complete Solution: Includes all necessary components to successfully convert your exhaust valve train to a steel-based setup.\n\nWhether you are performing a top-end rebuild or looking to improve the wear characteristics of your engine, the ProX Steel Exhaust Valve Conversion Kit provides the strength and stability required for demanding riding conditions.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/kawasaki-kxf-250-2004-2016-steel-exhaust-valve-conversion-kit","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/278af2d56a3c:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/278af2d56a3c: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."]}}