{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cf8cee006d56","name":"CYLINDER FULL KIT 97mm YAMAHA YZ 450F 20-22, ATHENA P400485100091 STD BORE, (Piston included)","sku":"56-K251.97.CKA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":523.97,"formatted":"£523.97"},"summary":"ATHENA Standard Bore Cylinder Kit Ø 97 mm, 450 cc - P400485100091. This kit includes a high-quality aluminum cylinder with standard bore, a complete piston with piston pin and rings, and all necessary gaskets. The cylinders are engineered in Italy and coated with motor-nicksil, a nickel-silicon coating for smoothness and wear resistance. Athena's cylinder kits are known for their performance, durability, and reliability, guaranteeing the same performance as original spare parts. The lightweight aluminum cylinder, nickel-silicon coated barrel, and low-friction piston design contribute to optimal smoothness. All components are designed to withstand high temperatures, pressures, and stresses, validated through rigorous testing. No engine crankcase modifications are needed for installation. Technical features: Bore Diameter 97.00 mm, Compression Ratio 13.5:1, Displacement 449 cc.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"Variant Id","value":"310569"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K251_2E97_2ECKA/6bd3dc277fca1b7d.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K251_2E97_2ECKA/6bd3dc277fca1b7d.png"],"description":"ATHENA Standard Bore Cylinder Kit Ø 97 mm, 450 cc - P400485100091. This kit includes a high-quality aluminum cylinder with standard bore, a complete piston with piston pin and rings, and all necessary gaskets. The cylinders are engineered in Italy and coated with motor-nicksil, a nickel-silicon coating for smoothness and wear resistance. Athena's cylinder kits are known for their performance, durability, and reliability, guaranteeing the same performance as original spare parts. The lightweight aluminum cylinder, nickel-silicon coated barrel, and low-friction piston design contribute to optimal smoothness. All components are designed to withstand high temperatures, pressures, and stresses, validated through rigorous testing. No engine crankcase modifications are needed for installation. Technical features: Bore Diameter 97.00 mm, Compression Ratio 13.5:1, Displacement 449 cc.","descriptionMarkdown":"### Athena Standard Bore Cylinder Kit - 97mm Bore\n\nThis Athena Standard Bore Cylinder Kit is engineered for optimal performance, durability, and reliability. Developed and manufactured by Athena's R&D Department, this kit offers a direct replacement for original spare parts, ensuring the same performance standards. The lightweight aluminum cylinder features a smooth and wear-resistant motor-nicksil coating, developed by Athena for superior longevity. The included piston is designed to reduce friction, contributing to improved engine efficiency.\n\nEach component within this kit is meticulously designed to withstand extreme temperatures, pressures, and stresses, validated through rigorous bench and road testing by Athena technicians. This cylinder kit can be installed without requiring any modifications to the engine crankcase.\n\n**Key Features:**\n\n \n- Standard Bore Cylinder Kit with a 97mm bore diameter.\n \n- Engineered and tested in Italy by Athena.\n \n- Features a motor-nicksil coating for smoothness and wear resistance.\n \n- Includes a high-quality aluminum cylinder and a complete piston assembly (piston pin and rings).\n \n- All necessary gaskets are included.\n \n- Designed to maintain original spare part performance.\n \n- Lightweight aluminum construction.\n \n- Piston designed for reduced friction.\n \n- Withstands high temperatures, pressures, and stresses.\n \n- No engine crankcase modifications required for installation.\n\n**Technical Specifications:**\n\n \n- Bore Diameter: 97.00 mm\n \n- Displacement: 449 cc\n \n- Compression Ratio: 13.5:1","weightGrams":null,"fitments":[],"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-97mm-yamaha-yz-450f-20-22-athena-p400485100091-std-bore-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cf8cee006d56:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cf8cee006d56:1"}},"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."]}}