{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f757b4594fb9","name":"KIT IN VALVE+SPRING KXF250, PROX 28.SIS4338-2 INTAKE","sku":"65-K168.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":152.27,"formatted":"£152.27"},"summary":"ProX steel intake valve and spring kit. This kit replaces OEM valves and springs using OEM retainers, bases, and valve seats. The steel valves offer a longer lifespan compared to OEM titanium valves. The kit includes steel intake valves and specially designed stronger valve springs due to the increased weight of the steel valve.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve & Spring Kit"},{"label":"Variant Id","value":"264484"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K168_2EPX/5c7db953b00fb6ad.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K168_2EPX/5c7db953b00fb6ad.jpg"],"description":"ProX steel intake valve and spring kit. This kit replaces OEM valves and springs using OEM retainers, bases, and valve seats. The steel valves offer a longer lifespan compared to OEM titanium valves. The kit includes steel intake valves and specially designed stronger valve springs due to the increased weight of the steel valve.","descriptionMarkdown":"### ProX Steel Intake Valve and Spring Kit\n\nUpgrade your engine's performance and durability with this ProX Steel Intake Valve and Spring Kit. ProX offers a comprehensive selection of titanium to steel conversion kits designed to significantly enhance the lifespan of your engine's valves.\n\nThis kit includes a high-quality steel intake valve and specially designed, stronger valve springs. The increased weight of the steel valve necessitates the use of a heavier spring for optimal performance and reliability. This ProX kit is engineered for a direct replacement of OEM valves and springs, allowing you to utilize existing OEM retainers, bases, and valve seats for a straightforward installation.\n\n**Key Features:**\n\n \n- Extended Lifespan: ProX steel valves offer up to three times the lifespan of standard OEM titanium valves.\n \n- Complete Kit: Includes steel intake valves and matching heavy-duty valve springs.\n \n- OEM Compatibility: Designed to work with OEM retainers, bases, and valve seats for easy installation.\n \n- Enhanced Durability: Steel construction provides superior strength and resistance to wear.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2009–2010"}],"collections":[{"name":"Cam & Valvetrain","url":"https://www.2brosparts.com/api/agent/collection/GB/cam-valvetrain"},{"name":"Valve & Spring Kit","url":"https://www.2brosparts.com/api/agent/collection/GB/valve-spring-kit"}],"links":{"page":"https://www.2brosparts.com/products/kit-in-valvespring-kxf250-prox-28sis4338-2-intake","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f757b4594fb9:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f757b4594fb9:1"}},"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."]}}