{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ea9e10a30087","name":"CYLINDER KIT 03-05 YZF450 98, WORKS CYLINDER 23001-K02, WRF450 03-06","sku":"56-K114.98.CKW","brand":"Cylinder Works","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":768.23,"formatted":"£768.23"},"summary":"The +3mm Big Bore Complete Cylinder Works Kit increases engine displacement to 478cc. This direct bolt-on kit requires no replating or additional machining, offering a ready-to-install solution with OEM-like performance and quality. Features include a +3mm big bore cylinder, direct bolt-on replacement with no additional machining required, Nickel Silicon Carbide plating for durability and long life, and precisely honed cylinders for straightforward piston installation. The complete kit includes cylinder, piston, gasket set, piston pin, circlips (2), and ring set. Specifications include 478cc displacement, standard compression, and a Vertex #23404 piston type.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"98mm"},{"label":"Variant Id","value":"283285"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K114_2E98_2ECKW/791edbf97c7ac16c.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K114_2E98_2ECKW/791edbf97c7ac16c.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K114_2E98_2ECKW/24b37cf1b619378a.jpg"],"description":"The +3mm Big Bore Complete Cylinder Works Kit increases engine displacement to 478cc. This direct bolt-on kit requires no replating or additional machining, offering a ready-to-install solution with OEM-like performance and quality. Features include a +3mm big bore cylinder, direct bolt-on replacement with no additional machining required, Nickel Silicon Carbide plating for durability and long life, and precisely honed cylinders for straightforward piston installation. The complete kit includes cylinder, piston, gasket set, piston pin, circlips (2), and ring set. Specifications include 478cc displacement, standard compression, and a Vertex #23404 piston type.","descriptionMarkdown":"### Cylinder Works 478cc Big Bore Complete Cylinder Kit\n\nEnhance the power and performance of your Yamaha WR450F or YZ450F with this +3mm Big Bore Complete Cylinder Kit from Cylinder Works. This kit is engineered to directly replace your stock cylinder, increasing engine displacement to a potent 478cc. Designed for a seamless installation, it requires no replating or additional machining, providing a convenient and high-quality upgrade.\n\nThe cylinder features a durable Nickel Silicon Carbide plating, ensuring longevity and resistance to wear. It is precisely honed to facilitate easy piston installation. This comprehensive kit includes all the essential components needed for a complete engine rebuild, offering OEM-like performance and reliability.\n\n**Key Features:**\n\n \n- Increases engine displacement to 478cc via a +3mm big bore cylinder.\n \n- Direct bolt-on design; no additional machining required.\n \n- Nickel Silicon Carbide plated cylinder for exceptional durability.\n \n- Precisely honed for easy piston fitting.\n \n- Complete kit for a straightforward installation.\n\n**Included Components:**\n\n \n- Cylinder\n \n- Piston\n \n- Gasket set\n \n- Piston pin\n \n- Circlips (2)\n \n- Ring set\n\n**Specifications:**\n\n \n- Displacement: 478cc\n \n- Compression: Standard\n \n- Piston Type: Vertex #23404","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2003–2015"},{"make":"YAMAHA","model":"WRF 450","cc":null,"notes":null,"years":"2003–2006"},{"make":"YAMAHA","model":"YFZ 450","cc":null,"notes":null,"years":"2004–2013"},{"make":"YAMAHA","model":"YFZ 450S","cc":null,"notes":null,"years":"2004–2011"},{"make":"YAMAHA","model":"YFZ S 450","cc":null,"notes":null,"years":"2004–2011"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2003–2009"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2003–2005"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Cylinder Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/cylinder-kits"}],"links":{"page":"https://www.2brosparts.com/products/cylinder-kit-03-05-yzf450-98-works-cylinder-23001-k02-wrf450-03-06","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ea9e10a30087:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ea9e10a30087:1"}},"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."]}}