{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"9ed8b333da23","name":"PISTON KIT B 97MM YAMAHA YZ 450F 20-22, ATHENA S5F09700005B","sku":"56-W4787.B.ATH","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":199.99,"formatted":"£199.99"},"summary":"ATHENA Forged Piston Kit for Athena and OE Cylinder, Bore Diameter 96.96 mm, Compression Height 24.00 mm, Compression Ratio 13.7:1, Displacement 449 cc. This kit includes piston, pin, circlips, and piston rings. Piston is forged from a special high-performance aluminum alloy with high silicon content. Features a smooth profile for regular flow and perfect flame propagation. Some piston skirts have a molybdenum disulfide coating to reduce friction. Rings are produced in Japan with wear-resistant coatings (PVD or chromium nitride). Big End Pin Diameter 18x10x48.8 mm. Piston Pin Type Biconical. Number Of Segments 3. Net Weight 0.33 Kg.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"310571"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock115236_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock115236_1.jpg"],"description":"ATHENA Forged Piston Kit for Athena and OE Cylinder, Bore Diameter 96.96 mm, Compression Height 24.00 mm, Compression Ratio 13.7:1, Displacement 449 cc. This kit includes piston, pin, circlips, and piston rings. Piston is forged from a special high-performance aluminum alloy with high silicon content. Features a smooth profile for regular flow and perfect flame propagation. Some piston skirts have a molybdenum disulfide coating to reduce friction. Rings are produced in Japan with wear-resistant coatings (PVD or chromium nitride). Big End Pin Diameter 18x10x48.8 mm. Piston Pin Type Biconical. Number Of Segments 3. Net Weight 0.33 Kg.","descriptionMarkdown":"### Athena Forged Piston Kit B - 97mm Bore\n\nElevate your motorcycle's performance with the Athena Forged Piston Kit. Engineered in Italy, this piston is crafted using a specialized high-silicon aluminum alloy for exceptional reliability and increased resistance. Manufactured with advanced CNC machining, it ensures precise dimensional tolerances for optimal engine function.\n\nThis kit features a forged piston designed for both Athena and Original Equipment (OE) cylinders. The piston's smooth profile promotes regular airflow and perfect flame propagation, while some models may include a molybdenum disulfide coating on the skirts to further reduce friction, boosting performance and durability. The included piston rings, produced in Japan with wear-resistant coatings, minimize friction with the cylinder for enhanced performance and longevity.\n\nEach piston kit contains the piston, pin, circlips, and piston rings. All components are replaceable and interchangeable.\n\n**Key Features:**\n\n \n- Forged Piston for enhanced strength and durability.\n \n- High-performance aluminum alloy with high silicon content.\n \n- Precision CNC machining for tolerances less than 0.01 mm.\n \n- Smooth profile for improved airflow and combustion.\n \n- Molybdenum disulfide coating (on select models) reduces friction.\n \n- High-quality piston rings made in Japan with wear-resistant coatings.\n \n- Complete kit includes piston, pin, circlips, and rings.\n \n- Designed for Athena and OE cylinders.\n\n**Technical Specifications:**\n\n \n- Bore Diameter: 96.96 mm\n \n- Compression Height: 24.00 mm\n \n- Compression Ratio: 13.7:1\n \n- Displacement: 449 cc\n \n- Number Of Segments: 3\n \n- Piston Pin Type: Biconical\n \n- Piston Type: Forged","weightGrams":null,"fitments":[{"make":"FANTIC","model":"XEF 450","cc":null,"notes":null,"years":"2022–2024"},{"make":"FANTIC","model":"XXF 450","cc":null,"notes":null,"years":"2022"},{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2021–2023"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2020–2022"},{"make":"YAMAHA","model":"YZ 450FX","cc":null,"notes":null,"years":"2021–2023"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-b-97mm-yamaha-yz-450f-20-22-athena-s5f09700005b","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/9ed8b333da23:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/9ed8b333da23:1"}},"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."]}}