{"product_id":"ref-56-w4733-00a-wo","title":"PISTON KIT KTM 400 EXC 89.00 FORGED WOSSNER 8580DA","description":"\u003cbody\u003e\n\n\n\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eWossner forged piston kit 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.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eForged piston for enhanced strength and durability\u003c\/li\u003e \t\u003cli\u003eOptimized heat transfer to cylinder walls for improved performance\u003c\/li\u003e \t\u003cli\u003eElliptical design for even thrust load distribution\u003c\/li\u003e \t\u003cli\u003eManufactured in Germany\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eBore Size: 89mm\u003c\/li\u003e \t\u003cli\u003eActual Bore: 88.94mm\u003c\/li\u003e \t\u003cli\u003eDisplay (cm³): 398\u003c\/li\u003e \t\u003cli\u003eStroke (mm): 64.00\u003c\/li\u003e \t\u003cli\u003eClearance (mm): 0.06\u003c\/li\u003e \t\u003cli\u003eWossner Compression Ratio: OEM\u003c\/li\u003e \t\u003cli\u003eOEM Compression Ratio: 11.00:1\u003c\/li\u003e \t\u003cli\u003eDome Volume (cm³): +7.00\u003c\/li\u003e \t\u003cli\u003eCompression Height (mm): 27.50\u003c\/li\u003e \t\u003cli\u003eTheoretical Weight: N\/A\u003c\/li\u003e \t\u003cli\u003eLock Part Number: CW20\u003c\/li\u003e \t\u003cli\u003ePin Part Number: WP038\u003c\/li\u003e \t\u003cli\u003eRing Set Part Number: 890XSY\u003c\/li\u003e \t\u003cli\u003ePart Number: 56-W4733+00A.WO\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003e57530007000\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eKTM LC4 400 1998-2001\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":55594817061238,"sku":"REF 56-W4733+00A.WO","price":228.72,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7032\/3318\/files\/stock54926_1.jpg?v=1783552534","url":"https:\/\/www.awmotorcycleparts.co.uk\/products\/ref-56-w4733-00a-wo","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}