{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"3ba7bdc7c72c","name":"SPRING VALVE INTAKE RMZ450, XU-09527IS 12921-28H00","sku":"65-6377.PS","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":10,"price":{"amount":15.84,"formatted":"£15.84"},"summary":"Intake valve spring made of SWOSC-V material (oil tempered steel wire). Some springs feature a progressive style design, which have more coils on one end. The end with more coils is heavier and should always be installed towards the bottom. Non-progressive springs are paint marked on the end that is to be installed towards the top. Wire diameter 3.3mm, outer diameter 25mm, inner diameter 18.5mm (+/-0.2mm), length 35mm (+/- 0.5mm), 6 coils. Replaces part number 12921-28H00.","attributes":[{"label":"General Product Group","value":"Cam & Valvetrain"},{"label":"General Product Type","value":"Valve Spring"},{"label":"Variant Id","value":"264321"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-6377_2EPS/a1789dbd0a5b2d9e.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-6377_2EPS/a1789dbd0a5b2d9e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/65-6377_2EPS/a57409df6450f937.jpg"],"description":"Intake valve spring made of SWOSC-V material (oil tempered steel wire). Some springs feature a progressive style design, which have more coils on one end. The end with more coils is heavier and should always be installed towards the bottom. Non-progressive springs are paint marked on the end that is to be installed towards the top. Wire diameter 3.3mm, outer diameter 25mm, inner diameter 18.5mm (+/-0.2mm), length 35mm (+/- 0.5mm), 6 coils. Replaces part number 12921-28H00.","descriptionMarkdown":"### Intake Valve Spring for RMZ450 and RMX450 Models\n\nThis intake valve spring is designed for high-performance applications on select Suzuki motorcycle models. Engineered for durability and optimal engine function, this spring is constructed from high-quality SWOSC-V material, which is oil-tempered steel wire.\n\n**Key Features:**\n\n \n- Material: Made from SWOSC-V (oil tempered steel wire) for superior strength and longevity.\n \n- Design Options: May feature a progressive style design with more coils on one end for specific load characteristics.\n \n- Installation Guidance (Progressive): The end with more coils should always be installed towards the bottom of the assembly.\n \n- Installation Guidance (Non-Progressive): Springs that are not progressive will have a paint mark on the end that is meant to be installed towards the top.\n \n- Precise Dimensions: Engineered to exact specifications for reliable performance.\n\n**Specifications:**\n\n \n- Wire Diameter: 3.3mm\n \n- Outer Diameter (O.D.): 25mm\n \n- Inner Diameter (I.D.): 18.5mm (+/- 0.2mm)\n \n- Length: 35mm (+/- 0.5mm)\n \n- Number of Rolls: 6\n\nThis intake valve spring is a crucial component for maintaining the integrity and performance of your engine's valve train.","weightGrams":null,"fitments":[{"make":"SUZUKI","model":"RM-Z 450","cc":null,"notes":null,"years":"2008–2019"},{"make":"SUZUKI","model":"RMX 450","cc":null,"notes":null,"years":"2010–2019"}],"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-intake-rmz450-xu-09527is-12921-28h00","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/3ba7bdc7c72c:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/3ba7bdc7c72c: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."]}}