{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"04aa9612c102","name":"KIT EX VALVE+SPRING KTM250, PROX 28.SES6333-1 EXHAUST","sku":"65-K115.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":152.27,"formatted":"£152.27"},"summary":"ProX steel exhaust valve and spring kit. This kit contains steel exhaust valves and special stronger valve springs. The steel valve has a heavier weight, requiring a heavier valve spring. This ProX kit replaces OEM valves and springs and can be installed using OEM retainers, bases, and valve seats. Manufacturer: Pro-X Racing.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve & Spring Kit"},{"label":"Variant Id","value":"264462"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K115_2EPX/4cc39968debc2a06.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K115_2EPX/4cc39968debc2a06.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K115_2EPX/3322b6966860937d.jpg"],"description":"ProX steel exhaust valve and spring kit. This kit contains steel exhaust valves and special stronger valve springs. The steel valve has a heavier weight, requiring a heavier valve spring. This ProX kit replaces OEM valves and springs and can be installed using OEM retainers, bases, and valve seats. Manufacturer: Pro-X Racing.","descriptionMarkdown":"### ProX Steel Exhaust Valve and Spring Kit\n\nUpgrade your motorcycle's exhaust system with the ProX Steel Exhaust Valve and Spring Kit. This kit offers a robust alternative to OEM titanium valves, designed to significantly extend the lifespan of your engine components. ProX is a leading provider of high-quality conversion kits, and this exhaust valve kit exemplifies their commitment to durability and performance.\n\nThe ProX Steel Exhaust Valve and Spring Kit is engineered for enhanced longevity, offering up to three times the lifespan of standard OEM titanium valves. This kit includes a set of specially designed steel exhaust valves and stronger valve springs. The increased weight of the steel valves necessitates the use of heavier duty springs to ensure optimal engine function and reliability.\n\nInstallation is straightforward, as the ProX kit is designed to directly replace OEM valves and springs. You can utilize your existing OEM retainers, bases, and valve seats, simplifying the upgrade process.\n\n- Extended Lifespan: Steel valves provide up to 3x the lifespan compared to OEM titanium valves.\n\n- Complete Kit: Includes steel exhaust valves and specifically designed stronger valve springs.\n\n- Optimized Performance: Heavier valve springs are included to compensate for the weight of steel valves.\n\n- Direct Replacement: Designed to use with OEM retainers, bases, and valve seats for easy installation.\n\n- Durable Construction: Manufactured by Pro-X Racing for exceptional quality and reliability.","weightGrams":null,"fitments":[{"make":"HUSQVARNA","model":"FC 250","cc":null,"notes":null,"years":"2014–2015"},{"make":"KTM","model":"250 SX-F","cc":null,"notes":null,"years":"2013–2015"}],"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-ex-valvespring-ktm250-prox-28ses6333-1-exhaust","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/04aa9612c102:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/04aa9612c102:1"}},"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."]}}