{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"18e3d87b7d8f","name":"KIT EX VALVE+SPRING KX450F, PROX 28.SES4409-1 EXHAUST","sku":"65-K112.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":156.04,"formatted":"£156.04"},"summary":"Prox steel exhaust valve and spring kit. This kit replaces OEM valves and valve springs and can be installed using OEM retainers, bases, and valve seats. The kit contains a set of steel exhaust valves plus a set of specially designed stronger valve springs. Prox titanium into steel conversion kits offer an extended lifespan compared to OEM titanium valves. Manufacturer: Pro-X Racing. SKU: 65-K112.PX.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve & Spring Kit"},{"label":"Variant Id","value":"264459"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K112_2EPX/691b2d2c1e247974.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K112_2EPX/691b2d2c1e247974.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-K112_2EPX/3d1f17a51ce6ca03.jpg"],"description":"Prox steel exhaust valve and spring kit. This kit replaces OEM valves and valve springs and can be installed using OEM retainers, bases, and valve seats. The kit contains a set of steel exhaust valves plus a set of specially designed stronger valve springs. Prox titanium into steel conversion kits offer an extended lifespan compared to OEM titanium valves. Manufacturer: Pro-X Racing. SKU: 65-K112.PX.","descriptionMarkdown":"### Pro-X Steel Exhaust Valve and Spring Kit\n\n Upgrade your motorcycle's performance and durability with the Pro-X Steel Exhaust Valve and Spring Kit. This kit is designed to replace your OEM titanium exhaust valves and springs, offering a significant improvement in lifespan.\n\n### Key Features:\n\n \n- Extended Lifespan: Pro-X steel valves are engineered to last up to three times longer than OEM titanium valves.\n \n- Complete Kit: Includes steel exhaust valves and specially designed stronger valve springs.\n \n- Direct Replacement: Replaces OEM valves and springs, utilizing original retainers, bases, and valve seats for a straightforward installation.\n \n- Optimized Performance: The heavier steel valve necessitates a stronger valve spring, which is included in this kit to ensure optimal function.\n \n- High-Quality Manufacturing: Manufactured by Pro-X Racing, a trusted name in performance motorcycle parts.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 450F","cc":null,"notes":null,"years":"2009–2018"}],"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-kx450f-prox-28ses4409-1-exhaust","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/18e3d87b7d8f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/18e3d87b7d8f: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."]}}