{"product_id":"piston-kit-02-07-ktm-exc450-89-wossner-wossner-8581db","title":"Piston Kit 02-07 KTM EXC450 89, Wossner Wossner 8581DB","description":"\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePiston Kit\u003c\/strong\u003e: Wossner 8581DB, with an 89.01mm bore (+0.01mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: \u003cul\u003e \u003cli\u003eKTM EXC 450 Racing (2003-2007)\u003c\/li\u003e \u003cli\u003eBeta RR450 (2005-2009)\u003c\/li\u003e \u003cli\u003ePolaris Outlaw 450 MXR (2008-2011)\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFeatures\u003c\/strong\u003e: \u003cul\u003e \u003cli\u003eWossner forged pistons known for superior strength and design\u003c\/li\u003e \u003cli\u003eEngineered for efficient combustion chamber heat transfer to cylinder walls\u003c\/li\u003e \u003cli\u003eElliptical design for a more uniform bearing surface under piston heat expansion, preventing collapse\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturing\u003c\/strong\u003e: Made in Germany\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdditional Parts\u003c\/strong\u003e: \u003cul\u003e \u003cli\u003eLock: CW20\u003c\/li\u003e \u003cli\u003ePin: WP038\u003c\/li\u003e \u003cli\u003eRing Set: 890XSY\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpecifications\u003c\/strong\u003e: \u003cul\u003e \u003cli\u003eDisplacement: 449 cm³\u003c\/li\u003e \u003cli\u003eHub Stroke: 72.00mm\u003c\/li\u003e \u003cli\u003eClearance: 0.04mm\u003c\/li\u003e \u003cli\u003eCompression Ratio: OEM specified (11.10:1)\u003c\/li\u003e \u003cli\u003eDome Volume: +7.10cm³\u003c\/li\u003e \u003cli\u003eCompression Height: 23.50mm\u003c\/li\u003e \u003cli\u003eTheoretical Weight: Not provided\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- venture-connect-compatibility:start --\u003e\n\u003csection class=\"venture-connect-compatibility\"\u003e\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003ePlease check the exact model and year before ordering.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003eEXC 450\u003c\/td\u003e\n\u003ctd\u003e2003-2007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOLARIS\u003c\/td\u003e\n\u003ctd\u003eOUTLAW MXR 450\u003c\/td\u003e\n\u003ctd\u003e2008-2010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003eXC ATV 450\u003c\/td\u003e\n\u003ctd\u003e2008-2009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003eXC 450\u003c\/td\u003e\n\u003ctd\u003e2008-2009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003eEXC R 450\u003c\/td\u003e\n\u003ctd\u003e2003-2007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBETA\u003c\/td\u003e\n\u003ctd\u003eRR 450\u003c\/td\u003e\n\u003ctd\u003e2005-2009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOLARIS\u003c\/td\u003e\n\u003ctd\u003eOUTLAW MXR 450\u003c\/td\u003e\n\u003ctd\u003e2008-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003c!-- venture-connect-compatibility:end --\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":57506529575292,"sku":"56-W178.B","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3952\/8167\/files\/stock53812_1.jpg?v=1790477180","url":"https:\/\/radhouse.co.uk\/products\/piston-kit-02-07-ktm-exc450-89-wossner-wossner-8581db","provider":"Radhouse","version":"1.0","type":"link"}