{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"341cd0ee41f1","name":"PISTON KIT 00-07 KTM520 525 95, WOSSNER 8547DA BETA RR525 59030007000","sku":"56-W4731.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner forged piston kit with a bore size of 95mm and an actual bore of 94.95mm. This kit is designed for high-performance applications, offering superior strength and optimized heat transfer. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for precision and durability. Specifications include a display volume of 510 cm³, a stroke of 72.00mm, and a clearance of 0.05mm. The Wossner compression ratio is OEM with an OEM compression ratio of 11.00:1. Dome volume is -2.10 cm³ and compression height is 23.50mm. Includes lock part number CW20, pin part number WP073, and ring set part number 950ADS-2. Cross-reference OEM part numbers are 59030007000 and 4731M09700. Part number 56-W4731.A.WO.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"95mm"},{"label":"Variant Id","value":"255968"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54914_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54914_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54914_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54914_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54914_4.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54914_5.jpg"],"description":"Wossner forged piston kit with a bore size of 95mm and an actual bore of 94.95mm. This kit is designed for high-performance applications, offering superior strength and optimized heat transfer. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for precision and durability. Specifications include a display volume of 510 cm³, a stroke of 72.00mm, and a clearance of 0.05mm. The Wossner compression ratio is OEM with an OEM compression ratio of 11.00:1. Dome volume is -2.10 cm³ and compression height is 23.50mm. Includes lock part number CW20, pin part number WP073, and ring set part number 950ADS-2. Cross-reference OEM part numbers are 59030007000 and 4731M09700. Part number 56-W4731.A.WO.","descriptionMarkdown":"### Wossner Forged Piston Kit\n\nExperience enhanced engine performance and durability with the Wossner Forged Piston Kit. Engineered for high-performance applications, this kit offers superior strength and optimized heat transfer, ensuring your engine runs cooler and more efficiently. The innovative elliptical design provides a uniform bearing surface even under extreme heat, preventing localized pressure and potential piston collapse. Manufactured with precision in Germany, this piston kit is built to last.\n\n#### Key Features\n\n\t\n- Forged Construction: Provides exceptional strength and longevity for demanding use.\n\t\n- Optimized Heat Transfer: Enhances cooling and efficiency by improving heat dissipation to cylinder walls.\n\t\n- Elliptical Piston Design: Ensures even distribution of thrust loads for reduced wear and improved reliability.\n\t\n- German Engineering: Guarantees high standards of quality and precision manufacturing.\n\n#### Specifications\n\n\t\n- Bore Size: 95mm\n\t\n- Actual Bore: 94.95mm\n\t\n- Display (cm&sup3;): 510\n\t\n- Stroke (mm): 72.00\n\t\n- Clearance (mm): 0.05\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 11.00:1\n\t\n- Dome Volume (cm&sup3;): -2.10\n\t\n- Compression Height (mm): 23.50\n\t\n- Lock Part Number: CW20\n\t\n- Pin Part Number: WP073\n\t\n- Ring Set Part Number: 950ADS-2\n\n#### Cross-Reference OEM Part Numbers\n\n\t\n- 59030007000\n\t\n- 4731M09700","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 525","cc":null,"notes":null,"years":"2005–2009"},{"make":"BETA","model":"RR ENDURO 4T 525","cc":null,"notes":null,"years":"2005–2009"},{"make":"KTM","model":"520 EXC","cc":null,"notes":"1st Filter (Long)","years":"2000–2002"},{"make":"KTM","model":"520 SX","cc":null,"notes":"1st Filter","years":"2000–2002"},{"make":"KTM","model":"525 EXC","cc":null,"notes":"1st Filter","years":"2003–2007"},{"make":"KTM","model":"525 EXC","cc":null,"notes":null,"years":"2008–2010"},{"make":"KTM","model":"525 EXC RACING","cc":null,"notes":null,"years":"2003–2007"},{"make":"KTM","model":"525 SM R","cc":null,"notes":null,"years":"2004–2005"},{"make":"KTM","model":"525 SM-R","cc":null,"notes":null,"years":"2004–2005"},{"make":"KTM","model":"525 SX","cc":null,"notes":"1st Filter","years":"2003–2007"},{"make":"KTM","model":"525 SX","cc":null,"notes":null,"years":"2008–2010"},{"make":"KTM","model":"525 XC","cc":null,"notes":null,"years":"2008–2012"},{"make":"KTM","model":"525 XC ATV","cc":null,"notes":null,"years":"2003–2012"},{"make":"POLARIS","model":"OUTLAW 450","cc":null,"notes":null,"years":"2003–2011"},{"make":"POLARIS","model":"OUTLAW 525","cc":null,"notes":null,"years":"2007–2012"}],"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-00-07-ktm520-525-95-wossner-8547da-beta-rr525-59030007000","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/341cd0ee41f1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/341cd0ee41f1:1"}},"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. 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