{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5c6c9f5c5c69","name":"KIT IN VALVE+SPRING KTM350, PROX 28.SIS6353-2 INTAKE","sku":"65-K177.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/Spring Kit. This kit contains steel intake valves and specially designed stronger valve springs to replace OEM titanium valves. Steel valves extend lifespan up to 3 times compared to OEM titanium valves. The kit replaces OEM valves and valve springs and can be installed using OEM retainers, bases, and valve seats. Part number: 28.SIS6353-2. Manufacturer: Pro-X Racing. Weight: 146g.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve & Spring Kit"},{"label":"Variant Id","value":"264493"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K177_2EPX/e9ec04d94e7e627c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K177_2EPX/e9ec04d94e7e627c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K177_2EPX/39093582de22afb7.jpg"],"description":"Prox Steel INTAKE Valve/Spring Kit. This kit contains steel intake valves and specially designed stronger valve springs to replace OEM titanium valves. Steel valves extend lifespan up to 3 times compared to OEM titanium valves. The kit replaces OEM valves and valve springs and can be installed using OEM retainers, bases, and valve seats. Part number: 28.SIS6353-2. Manufacturer: Pro-X Racing. Weight: 146g.","descriptionMarkdown":"### ProX Steel Intake Valve and Spring Kit\n\nUpgrade your engine's performance and durability with the ProX Steel Intake Valve and Spring Kit. This high-quality kit is designed to replace your original equipment (OEM) titanium valves with robust steel alternatives, significantly extending the lifespan of your valve train.\n\nUnlike standard replacements, ProX engineered this kit with specifically designed, stronger valve springs. This is essential to accommodate the increased weight of the steel valves, ensuring optimal performance and preventing potential issues. The kit directly replaces OEM valves and springs, allowing for installation using your existing OEM retainers, bases, and valve seats.\n\n**Key Features:**\n\n \n- Durable steel construction for extended valve lifespan.\n \n- Includes specially designed, stronger valve springs to match the steel valve weight.\n \n- Direct replacement for OEM valves and springs.\n \n- Utilizes OEM retainers, bases, and valve seats for straightforward installation.\n \n- Engineered by ProX, a trusted name in high-performance motorcycle parts.","weightGrams":null,"fitments":[{"make":"HUSABERG","model":"FE 350","cc":null,"notes":null,"years":"2013"},{"make":"HUSQVARNA","model":"FE 350","cc":null,"notes":null,"years":"2014–2016"},{"make":"KTM","model":"350 EXC-F","cc":null,"notes":null,"years":"2012–2016"},{"make":"KTM","model":"350 XCF-W","cc":null,"notes":null,"years":"2012–2015"}],"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-in-valvespring-ktm350-prox-28sis6353-2-intake","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5c6c9f5c5c69:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5c6c9f5c5c69:1"}},"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."]}}