{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"3e6db5d7a039","name":"VALVE SPRING SET CRF450 02-08, KIBBLEWHITE 30-30640 RACING, LIGHTWEIGHT","sku":"65-707","brand":"Kibblewhite","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":198.82,"formatted":"£198.82"},"summary":"Kibblewhite 30-30640 Racing Lightweight Valve Spring Set. Features Chrome Silicon Springs, Titanium Retainers, and H.T. Steel lower Collars. Designed for 0.440 valve lift. Exhaust springs have 70# seat pressure and 183lb at 0.375 lift. Intake springs have 40# seat pressure and 130lb at 0.375 lift. Kit includes all necessary components. Weight is 220 grams.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve Spring"},{"label":"Variant Id","value":"264332"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-707/a184c5e0774c3c66.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-707/a184c5e0774c3c66.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-707/14db9d0d5ad4f628.jpg"],"description":"Kibblewhite 30-30640 Racing Lightweight Valve Spring Set. Features Chrome Silicon Springs, Titanium Retainers, and H.T. Steel lower Collars. Designed for 0.440 valve lift. Exhaust springs have 70# seat pressure and 183lb at 0.375 lift. Intake springs have 40# seat pressure and 130lb at 0.375 lift. Kit includes all necessary components. Weight is 220 grams.","descriptionMarkdown":"**Kibblewhite Racing Lightweight Valve Spring Set**\n\nUpgrade your engine's performance with this high-quality Kibblewhite Racing Lightweight Valve Spring Set. Engineered for demanding applications, this kit is designed to optimize valve train operation and enhance overall engine responsiveness.\n\n### Key Features:\n\n \n- Lightweight Chrome Silicon Springs: Constructed from premium chrome silicon for reduced weight and increased durability, allowing for higher RPMs and improved valve control.\n \n- Titanium Retainers: Ultra-lightweight titanium retainers further minimize reciprocating mass, reducing stress on the valve train and improving performance.\n \n- High-Tensile Steel Lower Collars: Robust H.T. steel lower collars provide a solid foundation for the spring assembly, ensuring reliable performance under extreme conditions.\n \n- Optimized for Performance: Designed to handle valve lifts up to 0.440 inches, providing excellent support for performance camshaft profiles.\n \n- Specific Spring Pressures:\n \n Exhaust: 70 lb seat pressure, 183 lb at 0.375 lift.\n \n- Intake: 40 lb seat pressure, 130 lb at 0.375 lift.\n \n\n \n **Complete Kit:** This comprehensive kit includes all necessary components for a professional installation.","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 450R","cc":null,"notes":null,"years":"2002–2008"}],"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-crf450-02-08-kibblewhite-30-30640-racing-lightweight","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/3e6db5d7a039:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/3e6db5d7a039:1"}},"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."]}}