{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"7f96719cd442","name":"CYLINDER FULL KIT 83mm 2011-2012 KAWASAKI KX 250 ATHENA P400250100018 290CC BIG BORE (Piston included)","sku":"56-K146.83.KIT","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":653.87,"formatted":"£653.87"},"summary":"ATHENA Big Bore Cylinder Kit 83 mm, 290 cc - P400250100018. This kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder is coated with motor-nicksil, a nickel-silicon coating for smoothness and wear resistance. Athena's Big Bore Kits provide increased performance while maintaining the reliability of original components. The cylinder kit can be installed without modifying the engine crankcase. Technical features include a bore diameter of 83.00 mm, bore gain of +6 mm, compression ratio of 14.2:1, displacement of 290 cc, and a net weight of 1.70 Kg. Components have been developed to withstand high temperatures, pressures, and stresses.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"83mm"},{"label":"Variant Id","value":"252896"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K146_2E83_2EKIT/4e9e7c84c40e6cc8.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K146_2E83_2EKIT/4e9e7c84c40e6cc8.jpg"],"description":"ATHENA Big Bore Cylinder Kit 83 mm, 290 cc - P400250100018. This kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder is coated with motor-nicksil, a nickel-silicon coating for smoothness and wear resistance. Athena's Big Bore Kits provide increased performance while maintaining the reliability of original components. The cylinder kit can be installed without modifying the engine crankcase. Technical features include a bore diameter of 83.00 mm, bore gain of +6 mm, compression ratio of 14.2:1, displacement of 290 cc, and a net weight of 1.70 Kg. Components have been developed to withstand high temperatures, pressures, and stresses.","descriptionMarkdown":"### Athena 290cc Big Bore Cylinder Kit - 83mm Bore\n\n This Athena Big Bore Cylinder Kit is designed to enhance the performance of your motorcycle. Manufactured by Athena, a company with over ten years of experience in aftermarket cylinder replacement parts, this kit is engineered in Italy with a strong focus on production and performance improvement.\n\n The cylinder features a motor-nicksil coating, a proprietary nickel-silicon finish developed by Athena. This coating is renowned for its smoothness and excellent wear resistance, ensuring longevity and optimal performance. Athena's cylinder kits are recognized globally for their superior performance, durability, and reliability.\n\n This Big Bore Kit is engineered to provide a noticeable increase in performance across the power curve while maintaining the reliability of the original components. The kit includes a high-quality aluminum cylinder with an increased bore, a complete piston assembly (including piston pin and rings), and all the necessary gaskets for installation.\n\n Each component within the kit has been meticulously developed to withstand extreme temperatures, pressures, and stresses. These parts have undergone rigorous validation through both bench and road testing by Athena's expert technicians. A key advantage of this cylinder kit is that it can be installed without requiring any modifications to the engine crankcase.\n\n **Technical Specifications:**\n\n \n- Bore Diameter: 83.00 mm\n \n- Bore Gain: + 6 mm\n \n- Compression Ratio: 14.2:1\n \n- Displacement: 290 cc\n \n- Net Weight: 1.70 Kg\n\n **Please Note:** All Athena products must be used in accordance with the specific national regulations of the country where they are marketed or sold. Athena is not responsible for any improper use of its products.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2011–2016"}],"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-83mm-2011-2012-kawasaki-kx-250-athena-p400250100018-290cc-big-","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/7f96719cd442:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/7f96719cd442:1"}},"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."]}}