{"product_id":"ref-56-w4960-b-wo","title":"WOSSNER 95mm FORGED PISTON KIT B, TM MOTO EN450Fi 2011, MX450F 09-11","description":"\u003cbody\u003e\n\n\n\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eThis Wossner forged piston kit, part number 8820DB, features a 95.01mm bore with an actual piston size of 94.97mm (+0.02mm oversize). It is engineered for TM MX-F450 (2009–2010), MX-Fi450 (2011), and EN-Fi450 (2011) models. Made in Germany, this high-performance four-stroke piston is designed for durability, efficient heat transfer, and even pressure distribution, using an elliptical profile to reduce localized stress.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eForged construction for strength and performance durability\u003c\/li\u003e \t\u003cli\u003eElliptical profile for even expansion and thrust load distribution\u003c\/li\u003e \t\u003cli\u003eDesigned for optimal combustion heat dissipation\u003c\/li\u003e \t\u003cli\u003eMade in Germany\u003c\/li\u003e \t\u003cli\u003eDirect OEM replacement\u003c\/li\u003e \t\u003cli\u003eEasy to install; professional installation recommended if unsure\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eBore Size: 95.01mm\u003c\/li\u003e \t\u003cli\u003eActual Piston Size: 94.97mm\u003c\/li\u003e \t\u003cli\u003eDisplacement: 250cm³\u003c\/li\u003e \t\u003cli\u003eStroke: 63.40mm\u003c\/li\u003e \t\u003cli\u003eClearance: 0.04mm\u003c\/li\u003e \t\u003cli\u003eDome Volume: -6.40cm³\u003c\/li\u003e \t\u003cli\u003eCompression Ratio: 13.00:1 (OEM)\u003c\/li\u003e \t\u003cli\u003eCompression Height: 21.00mm\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eCW19 (Lock)\u003c\/li\u003e \t\u003cli\u003eWP037 (Pin)\u003c\/li\u003e \t\u003cli\u003e950ADS-2 (Ring Set)\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eTM MX-F450 (2009–2010)\u003c\/li\u003e \t\u003cli\u003eTM MX-Fi450 (2011)\u003c\/li\u003e \t\u003cli\u003eTM EN-Fi450 (2011)\u003c\/li\u003e \u003c\/ul\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003c\/body\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":55594840588662,"sku":"REF 56-W4960.B.WO","price":195.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7032\/3318\/files\/stock55419_1.jpg?v=1783534235","url":"https:\/\/www.awmotorcycleparts.co.uk\/products\/ref-56-w4960-b-wo","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}