{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"3a8ee32b9f72","name":"CYLINDER KIT +1.00mm BIG BORE 79.00mm HONDA 2004 - 2017 CRF 250 R X CYLINDER WORKS 12001-K01","sku":"56-K100.79.CKW","brand":"Cylinder Works","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":542.18,"formatted":"£542.18"},"summary":"Cylinder Works Big Bore Cylinder Kit +1.00mm 79.00mm for Honda CRF250R CRF250X. Increases displacement to 256cc with a 13.0:1 compression ratio. When used with Hot Rods #4183 crankshaft, displacement reaches 263cc. Kit includes cylinder, piston, rings, pin, clips, and gaskets. Compatible with Vertex #23461 piston. Cross-reference part numbers: 12100-KRN-672, 12100-KRN-730, 12100-KRN-731, 12100-KRN-732.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"79mm"},{"label":"Variant Id","value":"283234"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K100_2E79_2ECKW/fe6d486a4b1473bb.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K100_2E79_2ECKW/fe6d486a4b1473bb.jpg"],"description":"Cylinder Works Big Bore Cylinder Kit +1.00mm 79.00mm for Honda CRF250R CRF250X. Increases displacement to 256cc with a 13.0:1 compression ratio. When used with Hot Rods #4183 crankshaft, displacement reaches 263cc. Kit includes cylinder, piston, rings, pin, clips, and gaskets. Compatible with Vertex #23461 piston. Cross-reference part numbers: 12100-KRN-672, 12100-KRN-730, 12100-KRN-731, 12100-KRN-732.","descriptionMarkdown":"### Cylinder Works Big Bore Cylinder Kit +1.00mm 79.00mm for Honda CRF250R/X\n\nUpgrade your motorcycle's performance with the Cylinder Works Big Bore Cylinder Kit. This kit is meticulously engineered to increase the displacement of your Honda CRF250R or CRF250X, delivering a noticeable boost in power and efficiency. With a precise +1.00mm bore, this kit raises the engine's displacement to 256cc, providing more torque and acceleration.\n\nThe kit is designed to achieve a high compression ratio of 13.0:1, further enhancing combustion efficiency and unlocking greater horsepower. For even more significant performance gains, when combined with a compatible crankshaft, the displacement can be further increased to 263cc.\n\n**Key Features:**\n\n \n- Big Bore Upgrade: Increases displacement to 256cc for enhanced power output.\n \n- High Compression Ratio: Features a 13.0:1 compression ratio for improved performance.\n \n- Increased Displacement Potential: Can achieve 263cc when used with a specific crankshaft.\n \n- Complete Kit: Includes the cylinder, piston, piston rings, piston pin, piston pin clips, and necessary gaskets for a comprehensive installation.\n \n- Piston Compatibility: Designed to work with Vertex pistons.","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRE F R 250","cc":null,"notes":null,"years":"2004–2009"},{"make":"HONDA","model":"CRE F X 250","cc":null,"notes":null,"years":"2004–2010"},{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2004–2013"},{"make":"HONDA","model":"CRF 250X","cc":null,"notes":null,"years":"2004–2017"}],"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-100mm-big-bore-7900mm-honda-2004-2017-crf-250-r-x-cylinder-works-12","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/3a8ee32b9f72:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/3a8ee32b9f72:1"}},"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."]}}