{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2954e07c83e8","name":"CYLINDER KIT KTM 13-15 SXF250 81mm, WORKS BIG BORE 51004-K01","sku":"56-K190.81.CKW","brand":"Cylinder Works","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":889.49,"formatted":"£889.49"},"summary":"Big bore cylinder kit for KTM 250 and Husaberg FE 250 models. This +3mm kit increases displacement to 270cc with a 13.9:1 compression ratio. It includes a matched Vertex piston for improved longevity, performance, and reduced engine noise. Nickel Silicon Carbide plating ensures durability. Direct bolt-on installation with no replating or additional machining required. Includes cylinder, piston kit, top-end gasket kit, piston pin, circlips, and ring set. Part Number: 51004-K01. Manufactured in the U.S.A.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"81mm"},{"label":"Variant Id","value":"283248"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K190_2E81_2ECKW/791edbf97c7ac16c.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K190_2E81_2ECKW/791edbf97c7ac16c.png"],"description":"Big bore cylinder kit for KTM 250 and Husaberg FE 250 models. This +3mm kit increases displacement to 270cc with a 13.9:1 compression ratio. It includes a matched Vertex piston for improved longevity, performance, and reduced engine noise. Nickel Silicon Carbide plating ensures durability. Direct bolt-on installation with no replating or additional machining required. Includes cylinder, piston kit, top-end gasket kit, piston pin, circlips, and ring set. Part Number: 51004-K01. Manufactured in the U.S.A.","descriptionMarkdown":"### Cylinder Works 270cc Big Bore Cylinder Kit for KTM 250 and Husaberg FE 250\n\nUpgrade your motorcycle's performance with this Big Bore Cylinder Kit from Cylinder Works. Designed as a direct bolt-on replacement, this kit increases the displacement of your KTM 250 or Husaberg FE 250 to 270cc, boosting power and responsiveness. The kit features a 13.9:1 compression ratio for enhanced combustion efficiency.\n\nCrafted for durability and performance, the cylinder is Nickel Silicon Carbide plated, offering superior wear resistance and a longer lifespan. It comes complete with a precisely matched Vertex piston, known for improving longevity, reducing engine noise, and optimizing performance. Installation is straightforward, requiring no additional replating or machining of the engine components. All necessary parts for installation are included in the kit.\n\n**Key Features:**\n\n \n- Direct bolt-on installation, no replating required.\n \n- Increases engine displacement to 270cc.\n \n- Achieves a 13.9:1 compression ratio for improved performance.\n \n- Nickel Silicon Carbide plating ensures exceptional durability.\n \n- Includes a matched Vertex piston for optimized engine operation.\n \n- Comes with all essential components for a complete top-end rebuild.\n \n- Replacement Vertex pistons, rings, clips, and pins are available separately.\n \n- Manufactured in the U.S.A.\n\n**Specifications:**\n\n \n- Kit Type: +3mm Big Bore Cylinder Kit\n \n- Displacement: 270cc\n \n- Compression Ratio: 13.9:1\n \n- Compatible Vertex Piston: #23867\n\n**Included Components:**\n\n \n- Cylinder\n \n- Piston kit\n \n- Top-end gasket kit\n \n- Piston pin\n \n- Circlips (2)\n \n- Ring set","weightGrams":null,"fitments":[{"make":"HUSQVARNA","model":"FC 250","cc":null,"notes":null,"years":"2014–2015"},{"make":"HUSQVARNA","model":"FE 250","cc":null,"notes":null,"years":"2014–2016"},{"make":"KTM","model":"250 EXC-F","cc":null,"notes":null,"years":"2014–2016"},{"make":"KTM","model":"250 SX-F","cc":null,"notes":null,"years":"2013–2015"},{"make":"KTM","model":"250 XC-F","cc":null,"notes":null,"years":"2013–2015"},{"make":"KTM","model":"250 XCF-W","cc":null,"notes":null,"years":"2014"}],"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-ktm-13-15-sxf250-81mm-works-big-bore-51004-k01","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2954e07c83e8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2954e07c83e8:1"}},"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."]}}