{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"36dd459c4b55","name":"SPRING VALVE KIT, XR500/600, KIBBLEWHITE 30-4081, 460 LIFT","sku":"65-627","brand":"Kibblewhite","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":59.65,"formatted":"£59.65"},"summary":"Kibblewhite 30-4081 valve spring kit for high-performance applications with 0.465 inch valve lift capacity. Made from premium Super-Clean Chrome-Silicon wire from Kobe, Japan, these springs are engineered using proprietary design and simulation software. The kit undergoes heat treatment, stress relief, and shot peening for enhanced durability, and is manufactured in ISO-certified U.S. facilities. Suitable for both intake and exhaust valves. Specifications include: Valve Lift 0.465 inch, Installed Height 1.210 inch, Seat Pressure 75#, Open Pressure 210# @ 0.465 inch lift. Material: Various.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve Spring"},{"label":"Variant Id","value":"264215"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-627/cc3d3131985961a5.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-627/cc3d3131985961a5.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-627/abe2f231dabef39c.jpg"],"description":"Kibblewhite 30-4081 valve spring kit for high-performance applications with 0.465 inch valve lift capacity. Made from premium Super-Clean Chrome-Silicon wire from Kobe, Japan, these springs are engineered using proprietary design and simulation software. The kit undergoes heat treatment, stress relief, and shot peening for enhanced durability, and is manufactured in ISO-certified U.S. facilities. Suitable for both intake and exhaust valves. Specifications include: Valve Lift 0.465 inch, Installed Height 1.210 inch, Seat Pressure 75#, Open Pressure 210# @ 0.465 inch lift. Material: Various.","descriptionMarkdown":"### Kibblewhite Precision Valve Spring Kit\n\nEnhance the performance of your motorcycle's engine with this high-performance valve spring kit. Designed for demanding applications, these springs are engineered to support valve lifts up to 0.465 inches, offering a significant upgrade for both intake and exhaust valves.\n\n**Key Features:**\n\n \n- Supports valve lifts up to 0.465 inches for increased engine potential.\n \n- Constructed from premium Super-Clean Chrome-Silicon wire, sourced from Kobe, Japan, ensuring exceptional durability and consistent performance.\n \n- Utilizes proprietary design and simulation software for optimized engineering.\n \n- Undergoes advanced manufacturing processes including heat treatment, stress relief, and shot peening to maximize fatigue life and stress tolerance.\n \n- Manufactured in ISO-certified U.S. facilities, guaranteeing high standards of quality control.\n \n- Suitable for both intake and exhaust valve applications.\n\n**Specifications:**\n\n \n- Maximum Valve Lift: 0.465 inches\n \n- Installed Height: 1.210 inches\n \n- Seat Pressure: 75 lbs\n \n- Open Pressure: 210 lbs at 0.465 inches lift\n \n- Type: Intake / Exhaust\n\nThis Kibblewhite valve spring kit (Part No. 30-4081) is a superior choice for enthusiasts seeking reliable and powerful engine components.","weightGrams":null,"fitments":[{"make":"HONDA","model":"XL 600","cc":null,"notes":null,"years":"1983–2000"},{"make":"HONDA","model":"XL L 650","cc":null,"notes":null,"years":"1993–2013"},{"make":"HONDA","model":"XL S 500","cc":null,"notes":null,"years":"1979–1984"},{"make":"HONDA","model":"XR 500","cc":null,"notes":null,"years":"1979–1984"},{"make":"HONDA","model":"XR 500R","cc":null,"notes":null,"years":"1979–1984"},{"make":"HONDA","model":"XR 600","cc":null,"notes":null,"years":"1983–2000"},{"make":"HONDA","model":"XR 650L","cc":null,"notes":null,"years":"1993–2013"}],"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/spring-valve-kit-xr500600-kibblewhite-30-4081-460-lift","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/36dd459c4b55:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/36dd459c4b55:1"}},"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."]}}