{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b0bf1c486806","name":"VALVE SPRING SET KX450F 09-16, KIBBLEWHITE 40-40660","sku":"65-733","brand":"Kibblewhite","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":219.07,"formatted":"£219.07"},"summary":"This Kibblewhite titanium racing spring kit supports valve lifts up to 0.415 inches (10.54 mm) and is designed for high-revving four-stroke engines. The kit includes high-quality chrome silicon valve springs and titanium retainers to reduce valvetrain mass. It features application-specific engineering for intake and exhaust valves, providing consistent performance under extreme conditions. Intake specifications include 40 lb seat pressure and 130 lb @ 0.375-inch lift. Exhaust specifications include 70 lb seat pressure and 183 lb @ 0.375-inch lift. This kit is compatible with Kibblewhite #30-31600.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve Spring"},{"label":"Variant Id","value":"264359"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-733/8bb1e7fd84737224.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-733/8bb1e7fd84737224.jpg"],"description":"This Kibblewhite titanium racing spring kit supports valve lifts up to 0.415 inches (10.54 mm) and is designed for high-revving four-stroke engines. The kit includes high-quality chrome silicon valve springs and titanium retainers to reduce valvetrain mass. It features application-specific engineering for intake and exhaust valves, providing consistent performance under extreme conditions. Intake specifications include 40 lb seat pressure and 130 lb @ 0.375-inch lift. Exhaust specifications include 70 lb seat pressure and 183 lb @ 0.375-inch lift. This kit is compatible with Kibblewhite #30-31600.","descriptionMarkdown":"### Kibblewhite Valve Spring Set for Kawasaki KX450F (2009-2016)\n\nUpgrade your high-performance Kawasaki KX450F with this premium titanium racing valve spring kit from Kibblewhite. Engineered for the demanding environment of competitive racing, this kit provides the durability and consistency needed for high-revving four-stroke engines.\n\n**Key Features:**\n\n \n- Constructed with high-quality chrome silicon valve springs for superior strength and longevity.\n \n- Features lightweight titanium retainers to reduce valvetrain mass, enhancing engine response.\n \n- Designed to reliably support valve lifts up to 0.415 inches (10.54 mm).\n \n- Application-specific engineering ensures optimal performance for both intake and exhaust valves.\n\n**Performance Specifications:**\n\n \n- Exhaust Springs: Rated for 0.440\" valve lift, with 70 lb seat pressure and 183 lb of pressure at 0.375\" lift.\n \n- Intake Springs: Rated for 0.440\" valve lift, with 40 lb seat pressure and 130 lb of pressure at 0.375\" lift.\n\nThis Kibblewhite valve spring set is a critical component for any KX450F owner looking to maximize engine performance and reliability under extreme racing conditions.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KLX F 450","cc":null,"notes":null,"years":"2009–2016"},{"make":"KAWASAKI","model":"KX 450F","cc":null,"notes":null,"years":"2009–2016"}],"collections":[{"name":"Cam & Valvetrain","url":"https://www.2brosparts.com/api/agent/collection/GB/cam-valvetrain"},{"name":"Valve Spring","url":"https://www.2brosparts.com/api/agent/collection/GB/valve-spring"}],"links":{"page":"https://www.2brosparts.com/products/valve-spring-set-kx450f-09-16-kibblewhite-40-40660","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b0bf1c486806:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b0bf1c486806:1"}},"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."]}}