{"product_id":"piston-kit-ktm-400-exc-91-00-forged-wossner-8580d200","title":"PISTON KIT KTM 400 EXC 91.00, FORGED WOSSNER 8580D200","description":"Wossner 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.\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged piston for enhanced strength and durability\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer to cylinder walls for improved performance\u003c\/li\u003e\n\t\u003cli\u003eElliptical design for even thrust load distribution\u003c\/li\u003e\n\t\u003cli\u003eManufactured in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 91mm\u003c\/li\u003e\n\t\u003cli\u003eActual Bore: 90.94mm\u003c\/li\u003e\n\t\u003cli\u003eDisplay (cm³): 398\u003c\/li\u003e\n\t\u003cli\u003eStroke (mm): 64.00\u003c\/li\u003e\n\t\u003cli\u003eClearance (mm): 0.06\u003c\/li\u003e\n\t\u003cli\u003eWossner Compression Ratio: OEM\u003c\/li\u003e\n\t\u003cli\u003eOEM Compression Ratio: 11.00:1\u003c\/li\u003e\n\t\u003cli\u003eDome Volume (cm³): +7.00\u003c\/li\u003e\n\t\u003cli\u003eCompression Height (mm): 27.50\u003c\/li\u003e\n\t\u003cli\u003eTheoretical Weight: N\/A\u003c\/li\u003e\n\t\u003cli\u003eLock Part Number: CW20\u003c\/li\u003e\n\t\u003cli\u003ePin Part Number: WP038\u003c\/li\u003e\n\t\u003cli\u003eRing Set Part Number: 910XSY\u003c\/li\u003e\n\t\u003cli\u003ePart Number: 56-W4733+200.WO\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eKTM LC4 400 1998-2001\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":50697736421642,"sku":"56-W4733+200.WO","price":220.79,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0094\/6954\/files\/stock54929_1.jpg?v=1738345286","url":"https:\/\/store.phoenixmotos.com\/products\/piston-kit-ktm-400-exc-91-00-forged-wossner-8580d200","provider":"Phoenix Motos","version":"1.0","type":"link"}