{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"53dcf85f59da","name":"PISTON KIT 03-04 YZF450 95.00, FORGED WOSSNER 8562DB","sku":"56-W4785.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":207.83,"formatted":"£207.83"},"summary":"Wossner forged piston kit featuring superior strength and heat transfer efficiency. Engineered with an elliptical shape for uniform bearing surfaces under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Forged construction for enhanced durability. Optimized heat transfer for improved combustion efficiency. Elliptical design for even thrust load distribution. Specifications include a bore size of 94.97mm, displacement of 449 cm&sup3;, stroke of 63.40mm, clearance of 0.04mm, OEM compression ratio of 12.50:1, dome volume of -9.90 cm&sup3;, and compression height of 23.50mm. Included components are the piston kit (8562DB), piston clip (CW18), piston pin (WP053), and piston ring (950ADS-2).","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"95mm"},{"label":"Variant Id","value":"256085"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55031_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55031_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55031_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55031_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55031_4.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55031_5.jpg"],"description":"Wossner forged piston kit featuring superior strength and heat transfer efficiency. Engineered with an elliptical shape for uniform bearing surfaces under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Forged construction for enhanced durability. Optimized heat transfer for improved combustion efficiency. Elliptical design for even thrust load distribution. Specifications include a bore size of 94.97mm, displacement of 449 cm&sup3;, stroke of 63.40mm, clearance of 0.04mm, OEM compression ratio of 12.50:1, dome volume of -9.90 cm&sup3;, and compression height of 23.50mm. Included components are the piston kit (8562DB), piston clip (CW18), piston pin (WP053), and piston ring (950ADS-2).","descriptionMarkdown":"### Wossner Forged Piston Kit for High-Performance Engines\n\nThis Wossner forged piston kit is engineered for superior strength and optimal heat transfer efficiency in demanding applications. Manufactured in Germany, these pistons feature an innovative elliptical design that ensures uniform bearing surfaces even under extreme heat expansion. This design effectively reduces localized pressure and prevents potential piston collapse, contributing to enhanced engine reliability and performance.\n\n#### Key Features\n\n\t\n- Forged Construction: Provides exceptional durability and strength for high-performance use.\n\t\n- Optimized Heat Transfer: Enhances combustion efficiency through superior heat management.\n\t\n- Elliptical Design: Promotes even thrust load distribution for reduced wear and improved longevity.\n\t\n- German Engineering: Manufactured in Germany to exacting standards for quality and precision.\n\n#### Specifications\n\n\t\n- Bore Size: 94.97mm (0.01mm oversize resulting in 95.01mm)\n\t\n- Displacement: 449 cm&sup3;\n\t\n- Stroke: 63.40mm\n\t\n- Piston Clearance: 0.04mm\n\t\n- Compression Ratio: Matches OEM specifications (12.50:1)\n\t\n- Dome Volume: -9.90 cm&sup3;\n\t\n- Compression Height: 23.50mm\n\n#### Included Components\n\n\t\n- Piston Kit (Part Number: 8562DB)\n\t\n- Piston Clip: CW18\n\t\n- Piston Pin: WP053\n\t\n- Piston Ring: 950ADS-2","weightGrams":null,"fitments":[{"make":"GAS-GAS","model":"EC F 250","cc":null,"notes":null,"years":"2013–2015"},{"make":"GAS-GAS","model":"EC F 450","cc":null,"notes":null,"years":"2013–2015"},{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2003–2015"},{"make":"YAMAHA","model":"WRF 450","cc":null,"notes":null,"years":"2003–2015"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2003–2009"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2003–2009"}],"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-03-04-yzf450-9500-forged-wossner-8562db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/53dcf85f59da:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/53dcf85f59da: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."]}}