{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"073fe6f08476","name":"YAMAHA YZF 250 2001 - 2007 WRF 250 2001 - 2013 77mm HIGH COMPRESSION CYLINDER KIT 13.5:1","sku":"CW.20002-K01HC","brand":"Cylinder Works","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":769.5,"formatted":"£769.50"},"summary":"High compression cylinder kit with 13.5:1 ratio. Kit includes handmatched Vertex piston, top end gasket set, and precision honed Cylinder Works cylinder. Cylinder Works OEM replacement cylinder kits feature standard bore with high compression. Cylinder appearance is stock. Precision honed with nickel silicon carbide plating. OEM quality without the OEM price. Pistons are hand matched for precision fitment.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-250-2001-2007-wrf-250-2001-2013-77mm-high-compression-cylinder-kit-13.5-1-6992-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yzf-250-2001-2007-wrf-250-2001-2013-77mm-high-compression-cylinder-kit-13.5-1-6992-p.jpg"],"description":"High compression cylinder kit with 13.5:1 ratio. Kit includes handmatched Vertex piston, top end gasket set, and precision honed Cylinder Works cylinder. Cylinder Works OEM replacement cylinder kits feature standard bore with high compression. Cylinder appearance is stock. Precision honed with nickel silicon carbide plating. OEM quality without the OEM price. Pistons are hand matched for precision fitment.","descriptionMarkdown":"### Cylinder Works 77mm High Compression Cylinder Kit\n\nUpgrade your engine performance with the Cylinder Works 77mm High Compression Cylinder Kit. Designed as a direct replacement for your original equipment, this kit provides a cost-effective and efficient alternative to repairing or re-plating your factory cylinder. By choosing this kit, you avoid the lengthy downtime associated with machine shop repairs while maintaining superior engine reliability.\n\nThis kit features a precision-honed cylinder finished with a durable nickel silicon carbide plating to ensure longevity and optimal heat dissipation. The included high-compression piston is hand-matched to the cylinder to guarantee perfect tolerances and peak performance right out of the box. With its factory-style appearance, this kit integrates seamlessly into your engine build while delivering the performance gains of a 13.5:1 compression ratio.\n\n### Key Features\n\n \n- High Compression Performance: Engineered with a 13.5:1 compression ratio for increased power output.\n \n- Precision Engineering: Every cylinder is precision honed and nickel silicon carbide plated for reduced friction and extended service life.\n \n- Hand-Matched Components: Includes a Vertex piston hand-matched to the cylinder for a perfect, reliable fit.\n \n- Complete Top End Solution: Kit arrives ready to install with a comprehensive top-end gasket set included.\n \n- OEM Appearance: Maintains a stock look for a clean, professional finish inside your engine.\n \n- Cost-Effective: Delivers OEM-level quality and performance without the premium cost of dealership replacement parts.\n\nWhether you are performing a full engine rebuild or looking to boost the power of your machine, this Cylinder Works kit provides the durability, precision, and performance you need to get back on the track or trail faster.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yzf-250-2001-2007-wrf-250-2001-2013-77mm-high-compression-cylinder-kit-13","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/073fe6f08476:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/073fe6f08476:1"}},"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."]}}