{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b25e52093206","name":"PISTON KIT YZF450 14-15 97.00, FORGED WOSSNER 8895DB","sku":"56-W4963.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":153.66,"formatted":"£153.66"},"summary":"Wossner forged piston kit with 97.01mm bore (96.97mm actual size) and 4.90 cm³ dome volume. Features include forged construction, optimized thermal conductivity, and an elliptical design for uniform expansion. Manufactured in Germany. Specifications: 449 cm³ displacement, 60.80mm stroke, 0.04mm clearance, 12.50:1 compression ratio, and 24.00mm compression height. Cross-reference OEM part number: 1SL-11631-00-00.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"97mm"},{"label":"Variant Id","value":"256493"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55439_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55439_1.jpg"],"description":"Wossner forged piston kit with 97.01mm bore (96.97mm actual size) and 4.90 cm³ dome volume. Features include forged construction, optimized thermal conductivity, and an elliptical design for uniform expansion. Manufactured in Germany. Specifications: 449 cm³ displacement, 60.80mm stroke, 0.04mm clearance, 12.50:1 compression ratio, and 24.00mm compression height. Cross-reference OEM part number: 1SL-11631-00-00.","descriptionMarkdown":"### Wossner Forged Piston Kit - Enhance Your Yamaha YZF450 Performance\n\nUpgrade your Yamaha YZF450 with this high-performance Wossner Forged Piston Kit. Engineered for exceptional strength and optimized heat transfer, this piston is designed to withstand the demands of high-performance riding. The advanced elliptical profile ensures even load distribution during thermal expansion, minimizing stress and preventing piston collapse for enhanced durability and reliability.\n\n**Key Features:**\n\n \n- Forged Construction: Provides superior strength and resilience compared to cast pistons.\n \n- Optimized Thermal Conductivity: Efficiently transfers heat from the combustion chamber to the cylinder walls, promoting consistent performance.\n \n- Elliptical Design: Promotes uniform expansion and distributes thrust evenly, reducing localized pressure and wear.\n \n- German Engineering: Manufactured in Germany to exacting standards for premium quality and precision.\n\n**Technical Specifications:**\n\n \n- Bore Size: 97.01mm (actual measurement 96.97mm)\n \n- Displacement: 449 cm&sup3;\n \n- Stroke: 60.80mm\n \n- Piston Clearance: 0.04mm\n \n- Compression Ratio: Matches OEM (12.50:1)\n \n- Dome Volume: -4.90 cm&sup3;\n \n- Compression Height: 24.00mm","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2016–2019"},{"make":"YAMAHA","model":"WRF 450","cc":null,"notes":null,"years":"2016–2019"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2014–2019"},{"make":"YAMAHA","model":"YZ 450FX","cc":null,"notes":null,"years":"2016–2019"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2014–2019"},{"make":"YAMAHA","model":"YZF X 450","cc":null,"notes":null,"years":"2016–2019"}],"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-yzf450-14-15-9700-forged-wossner-8895db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b25e52093206:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b25e52093206:1"}},"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."]}}