{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5c03dc1e41cb","name":"CYLINDER FULL KIT 100MM KAWASAKI KX 450 16-18, ATHENA P400250100023 490CC BIG BORE, (Piston included)","sku":"56-K187.100.CKA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":684,"formatted":"£684.00"},"summary":"ATHENA Big Bore Cylinder Kit Ø 100 mm, 490 cc - P400250100023. This kit includes a high-quality aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder features a motor-nicksil coating developed by Athena for smoothness and optimal wear resistance. All components are engineered in Italy and designed to withstand high temperatures, pressures, and stresses. The kit can be installed without modifying the engine crankcase. Bore Diameter: 100.00 mm. Displacement: 490 cc. Net Weight: 1.83 Kg. Part No. 56-K187.100.CKA.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"100mm"},{"label":"Variant Id","value":"253122"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K187_2E100_2ECKA/35f49af22ef73569.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K187_2E100_2ECKA/35f49af22ef73569.jpg"],"description":"ATHENA Big Bore Cylinder Kit Ø 100 mm, 490 cc - P400250100023. This kit includes a high-quality aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder features a motor-nicksil coating developed by Athena for smoothness and optimal wear resistance. All components are engineered in Italy and designed to withstand high temperatures, pressures, and stresses. The kit can be installed without modifying the engine crankcase. Bore Diameter: 100.00 mm. Displacement: 490 cc. Net Weight: 1.83 Kg. Part No. 56-K187.100.CKA.","descriptionMarkdown":"### Athena Big Bore Cylinder Kit - 100mm Bore, 490cc\n\nUpgrade your motorcycle's performance with the Athena Big Bore Cylinder Kit. This premium kit is engineered to enhance power and durability, offering a noticeable increase in performance across the power curve while maintaining the reliability of original components.\n\nAthena has over a decade of experience in developing aftermarket cylinder replacement parts, ensuring top-tier production and performance. Each cylinder is meticulously engineered in Italy by Athena's Research and Development Department, utilizing cutting-edge tools and extensive internal know-how for design and testing. The cylinders feature a Motor-Nicksil coating, a proprietary nickel-silicon blend developed by Athena for exceptional smoothness and superior wear resistance.\n\nThis Big Bore Cylinder Kit guarantees an increase in displacement to 490cc with a 100mm bore diameter. All components within the kit have been developed to withstand extreme temperatures, pressures, and stresses, rigorously validated through demanding bench and road tests by Athena technicians. Notably, this cylinder kit can be installed without requiring any modifications to the engine crankcase.\n\nThe kit includes:\n\n \n- High-quality aluminum cylinder with an increased bore (100mm).\n \n- Complete piston assembly, including piston pin and rings.\n \n- All necessary gaskets for installation.\n\n**Key Technical Features:**\n\n \n- Bore Diameter: 100.00 mm\n \n- Displacement: 490 cc\n \n- Weight: 1.83 Kg\n\n**Please Note:** All Athena products must be used in compliance with the specific national regulations of the country where they are marketed or sold. Athena disclaims all responsibility for any improper use.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 450F","cc":null,"notes":null,"years":"2016–2018"}],"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-kawasaki-kx-450-16-18-athena-p400250100023-490cc-big-bor","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5c03dc1e41cb:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5c03dc1e41cb: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."]}}