{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2720781e3c8d","name":"CYLINDER FULL KIT 100MM HONDA CRF 450 02-08, ATHENA P400210100001 490CC BIG BORE, (piston included)","sku":"56-K101.100.KIT","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":684,"formatted":"£684.00"},"summary":"ATHENA Big Bore Cylinder Kit 100mm 490cc. Features a nickel-silicon coating for smoothness and wear resistance. The kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. Components are designed to withstand high temperatures, pressures, and stresses. Can be installed without modifying the engine crankcase. Bore Diameter: 100.00mm, Compression Ratio: 11.6:1, Displacement: 490cc, Net Weight: 1.50 Kg.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"Variant Id","value":"252579"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K101_2E100_2EKIT/28107b6062ff9b6c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K101_2E100_2EKIT/28107b6062ff9b6c.jpg"],"description":"ATHENA Big Bore Cylinder Kit 100mm 490cc. Features a nickel-silicon coating for smoothness and wear resistance. The kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. Components are designed to withstand high temperatures, pressures, and stresses. Can be installed without modifying the engine crankcase. Bore Diameter: 100.00mm, Compression Ratio: 11.6:1, Displacement: 490cc, Net Weight: 1.50 Kg.","descriptionMarkdown":"### Athena Big Bore Cylinder Kit 490cc for Honda CRF 450\n\nEnhance the performance of your Honda CRF 450 with this Athena Big Bore Cylinder Kit. Engineered in Italy by Athena's dedicated R&D department, this kit offers a significant increase in displacement to 490cc, boosting power output without compromising reliability.\n\nThe cylinder features a 100mm bore diameter and is coated with Athena's proprietary motor-nicksil, a nickel-silicon coating designed for superior smoothness and wear resistance. This high-quality aluminum cylinder, along with a complete piston, piston pin, rings, and all necessary gaskets, is included to ensure a comprehensive upgrade.\n\nAthena's Big Bore Cylinder Kits are globally recognized for their performance, durability, and reliability. The components are rigorously tested by Athena technicians through demanding bench and road tests to withstand extreme temperatures, pressures, and stresses. This kit is designed for installation without requiring any modifications to the engine crankcase.\n\n**Key Features:**\n\n \n- Displacement: 490cc\n \n- Bore Diameter: 100.00 mm\n \n- Compression Ratio: 11.6:1\n \n- Includes aluminum cylinder, complete piston kit, and all necessary gaskets\n \n- Motor-nicksil coating for durability and smoothness\n \n- Designed for increased performance while maintaining reliability\n \n- No crankcase modifications required for installation","weightGrams":null,"fitments":[{"make":"HM MOTO","model":"CRE MOTARD ALL","cc":null,"notes":null,"years":"2002–2010"},{"make":"HONDA","model":"CRE F R 450","cc":null,"notes":null,"years":"2005–2007"},{"make":"HONDA","model":"CRE MOTARD 450","cc":null,"notes":null,"years":"2002–2010"},{"make":"HONDA","model":"CRF 450R","cc":null,"notes":null,"years":"2002–2008"},{"make":"HONDA","model":"CRF 450X","cc":null,"notes":null,"years":"2005–2014"},{"make":"HONDA","model":"CRM F R 450","cc":null,"notes":null,"years":"2005–2007"},{"make":"HONDA","model":"CRM G 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"HONDA","model":"TRX 450ER","cc":null,"notes":null,"years":"2006–2014"},{"make":"HONDA","model":"TRX 450R","cc":null,"notes":null,"years":"2006–2014"},{"make":"HONDA","model":"TRX ER 450","cc":null,"notes":null,"years":"2006–2014"},{"make":"HONDA","model":"TRX R 450","cc":null,"notes":null,"years":"2006–2014"},{"make":"HONDA","model":"XR 400","cc":null,"notes":null,"years":"1996–2004"},{"make":"KAWASAKI","model":"KLX 400","cc":null,"notes":null,"years":"2003–2006"}],"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-full-kit-100mm-honda-crf-450-02-08-athena-p400210100001-490cc-big-bore-","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2720781e3c8d:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2720781e3c8d: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."]}}