{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"040574bcd614","name":"VALVE SPRING KIT 84-96 HONDA XL XR R L RFVC 200 250 KIBBLEWHITE 30-30077 0.355 LIFT","sku":"65-726","brand":"Kibblewhite","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":127.5,"formatted":"£127.50"},"summary":"Lightweight racing valve spring kit with 0.355 lift. Includes intake and exhaust springs with 55 lb seat pressure and 150 lb at 0.355 lift. Designed for specific applications considering cam profiles, harmonics, spring natural frequency, valvetrain mass, required pressure, wire stress, fatigue life, and engine RPM. Kibblewhite part number 30-30077.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve Spring"},{"label":"Variant Id","value":"264352"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-726/7d89be175a91e0d1.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-726/7d89be175a91e0d1.jpg"],"description":"Lightweight racing valve spring kit with 0.355 lift. Includes intake and exhaust springs with 55 lb seat pressure and 150 lb at 0.355 lift. Designed for specific applications considering cam profiles, harmonics, spring natural frequency, valvetrain mass, required pressure, wire stress, fatigue life, and engine RPM. Kibblewhite part number 30-30077.","descriptionMarkdown":"### Kibblewhite Lightweight Racing Valve Spring Kit - 0.355 Lift\n\nThis high-performance valve spring kit is engineered by Kibblewhite for demanding 4-stroke engines. Designed for specific applications, these lightweight racing valve springs offer superior performance and durability compared to OEM components, even those with titanium parts. KPMI has meticulously considered critical parameters such as cam profiles, harmonics, natural spring frequency, valvetrain mass, required pressure, wire stress, fatigue life, and engine RPM to create a unified system that excels in high-revving environments.\n\n**Key Features:**\n\n \n- Lightweight racing design for enhanced performance.\n \n- Engineered to handle high-revving 4-stroke engines.\n \n- Supports up to 0.355 inch valve lift.\n \n- Intake springs: 55 lb seat pressure / 150 lb at 0.355 lift.\n \n- Exhaust springs: 55 lb seat pressure / 150 lb at 0.355 lift.\n \n- Designed with a focus on valvetrain optimization and longevity.\n \n- Developed with decades of KPMI's valvetrain engineering expertise.","weightGrams":null,"fitments":[{"make":"HONDA","model":"XL R 200","cc":null,"notes":null,"years":"1980–2002"},{"make":"HONDA","model":"XL RFVC 250","cc":null,"notes":null,"years":"1984–1995"},{"make":"HONDA","model":"XR 200R","cc":null,"notes":null,"years":"1980–2002"},{"make":"HONDA","model":"XR RFVC 250","cc":null,"notes":null,"years":"1984–1995"}],"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-kit-84-96-honda-xl-xr-r-l-rfvc-200-250-kibblewhite-30-30077-0355-li","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/040574bcd614:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/040574bcd614:1"}},"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."]}}