{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"faba1d209769","name":"Yamaha YFZ 450 Quad 2004-2012 98mm 468-478cc Big Bore Kit","sku":"CW.23001-K01","brand":"Cylinder Works","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":931.5,"formatted":"£931.50"},"summary":"Cylinder Works Big Bore Kit provides everything needed to transform your ATV. The kit includes a stock appearing, nickel silicon carbide, precision honed big bore cylinder kit, all required gaskets, and a Vertex big bore piston complete with rings, pin, and circlips.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yfz-450-quad-2004-2012-98mm-468-478cc-big-bore-kit-2219-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yfz-450-quad-2004-2012-98mm-468-478cc-big-bore-kit-2219-p.jpg"],"description":"Cylinder Works Big Bore Kit provides everything needed to transform your ATV. The kit includes a stock appearing, nickel silicon carbide, precision honed big bore cylinder kit, all required gaskets, and a Vertex big bore piston complete with rings, pin, and circlips.","descriptionMarkdown":"### Upgrade Your Performance with the Cylinder Works Big Bore Kit\n\nTransform your quad from modest to monster with the Cylinder Works Big Bore Kit. Designed for riders seeking a significant boost in displacement and power, this all-in-one kit provides the essential components needed to enhance your engine performance effectively and reliably.\n\nEach kit features a precision-honed, nickel silicon carbide plated big bore cylinder that maintains a stock appearance while offering improved durability and heat dissipation. By increasing your engine displacement to 468-478cc with a 98mm bore, you can achieve a noticeable improvement in torque and horsepower across the powerband.\n\n### Key Features\n\n \n- Increased Displacement: Boosts your engine capacity to 468-478cc for superior power delivery.\n \n- Premium Cylinder Construction: Features a nickel silicon carbide plated surface for reduced friction and extended engine life.\n \n- Precision Engineering: Cylinder is precision-honed to meet exact tolerances for optimal ring seal and compression.\n \n- Complete Hardware Included: Comes with a high-performance Vertex big bore piston, specifically matched rings, wrist pin, and circlips.\n \n- Full Gasket Set: Includes all necessary gaskets required for a professional-grade installation, saving you the time and hassle of sourcing individual components.\n\nWhether you are rebuilding an engine or looking to gain a competitive edge on the track, the Cylinder Works Big Bore Kit offers a comprehensive and high-quality solution for serious engine tuning.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yfz-450-quad-2004-2012-98mm-468-478cc-big-bore-kit","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/faba1d209769:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/faba1d209769:1"}},"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."]}}