{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2b9860a9998b","name":"CYLINDER FULL KIT 68MM YAMAHA YFZ 350 87-06, ATHENA P400485100024 392CC BIG BORE, (Pistons included)","sku":"56-K173.68.CKA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":1007.9,"formatted":"£1,007.90"},"summary":"ATHENA Big Bore Cylinder Kit Ø 68 mm, 392 cc - P400485100024. Features two high-quality aluminum cylinders with increased bore and galvanic coating, cylinder head with two interchangeable central domes, a complete piston with pin and rings, and all necessary gaskets. Engineered in Italy with motor-nicksil coating for smoothness and wear resistance. Guaranteed increase in performance while maintaining original component reliability. Can be installed without engine crankcase modifications. Bore Diameter 68.00 mm, Compression Ratio 11.9:1, Displacement 392 cc, Net Weight 1.23 Kg. Partner Cross Reference: S4C06800001A Piston Kit, S4C06800001B Piston Kit, S4C06800001C Piston Kit, P400485160021 Gaskets Kit, S410485308012 Cylinder Head, S410485308017 Central Head Dome, S41316152 Rings.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"Variant Id","value":"253047"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K173_2E68_2ECKA/6a0e1ff06e4d64b8.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K173_2E68_2ECKA/6a0e1ff06e4d64b8.jpg"],"description":"ATHENA Big Bore Cylinder Kit Ø 68 mm, 392 cc - P400485100024. Features two high-quality aluminum cylinders with increased bore and galvanic coating, cylinder head with two interchangeable central domes, a complete piston with pin and rings, and all necessary gaskets. Engineered in Italy with motor-nicksil coating for smoothness and wear resistance. Guaranteed increase in performance while maintaining original component reliability. Can be installed without engine crankcase modifications. Bore Diameter 68.00 mm, Compression Ratio 11.9:1, Displacement 392 cc, Net Weight 1.23 Kg. Partner Cross Reference: S4C06800001A Piston Kit, S4C06800001B Piston Kit, S4C06800001C Piston Kit, P400485160021 Gaskets Kit, S410485308012 Cylinder Head, S410485308017 Central Head Dome, S41316152 Rings.","descriptionMarkdown":"### Athena Big Bore Cylinder Kit - 68mm Bore, 392cc\n\n Upgrade your engine's performance with the Athena Big Bore Cylinder Kit. This high-quality kit is engineered in Italy by Athena's dedicated R&D department, utilizing advanced design and testing tools to ensure optimal performance and reliability. The cylinders feature a durable motor-nicksil coating, a proprietary nickel-silicon blend developed by Athena for superior smoothness and wear resistance.\n\n Athena's Big Bore Kits are globally recognized for their exceptional performance, longevity, and dependability. This kit is designed to significantly increase engine power across the entire RPM range while maintaining the reliability of original components.\n\n**Key Features:**\n\n \n- Increases displacement to 392cc with a 68mm bore diameter.\n \n- Features two high-quality aluminum cylinders with an increased bore and galvanic coating.\n \n- Includes a cylinder head with two interchangeable central domes.\n \n- Complete piston kit with piston pin and rings is included.\n \n- Comes with all necessary gaskets for installation.\n \n- Constructed to withstand extreme temperatures, pressures, and stresses, validated through rigorous bench and road testing.\n \n- Designed for installation without requiring modifications to the engine crankcase.\n \n- Compression Ratio: 11.9:1\n \n- Net Weight: 1.23 Kg\n\n Please ensure all Athena products are used in accordance with national regulations of the marketing or sales territory.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YFZ 350 Banshee","cc":null,"notes":null,"years":"1987–2006"},{"make":"YAMAHA","model":"YFZ BANSHEE 350","cc":null,"notes":null,"years":"1987–2006"}],"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-68mm-yamaha-yfz-350-87-06-athena-p400485100024-392cc-big-bore-","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2b9860a9998b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2b9860a9998b: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."]}}