{"product_id":"oro2u-56-w4921-b-wo-256383","title":"PISTON KIT 07-09 RMZ250 77.00, WOSSNER 8666DB SUZUKI","description":"\u003cp\u003eThe Wossner 8666DB forged piston kit with a 77.01mm bore is designed for Suzuki RM-Z250 models from 2007 to 2009. Made in Germany, this high-performance piston ensures efficient heat dissipation and strength. Its elliptical design provides a uniform bearing surface during thermal expansion, reducing stress concentrations and preventing piston failure.\u003c\/p\u003e\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 longevity\u003c\/li\u003e\n\t\u003cli\u003eOptimized for efficient heat transfer to cylinder walls\u003c\/li\u003e\n\t\u003cli\u003eElliptical shape distributes load evenly under thermal expansion\u003c\/li\u003e\n\t\u003cli\u003eReduces localized pressure and risk of piston collapse\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: 77.01 mm\u003c\/li\u003e\n\t\u003cli\u003eActual Bore Diameter: 76.97 mm\u003c\/li\u003e\n\t\u003cli\u003eDisplay: 249 cm³\u003c\/li\u003e\n\t\u003cli\u003eHub Stroke: 53.60 mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.04 mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 19.60 mm\u003c\/li\u003e\n\t\u003cli\u003eDome Volume: -3.30 cm³\u003c\/li\u003e\n\t\u003cli\u003eWossner Compression Ratio: OEM\u003c\/li\u003e\n\t\u003cli\u003eOEM Compression Ratio: 13.40:1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003ePiston: 8666DB\u003c\/li\u003e\n\t\u003cli\u003eLock: CW16\u003c\/li\u003e\n\t\u003cli\u003ePin: WP059\u003c\/li\u003e\n\t\u003cli\u003eRing Set: 770XAS\u003c\/li\u003e\n\t\u003cli\u003eRod: P4004\u003c\/li\u003e\n\t\u003cli\u003eMain Bearing: 2 x MB830046\u003c\/li\u003e\n\t\u003cli\u003ePart No.: 56-W4921.B.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\u003eSuzuki RM-Z250 2007–2009\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Wossner","offers":[{"title":"Default Title","offer_id":61520357785934,"sku":"56-W4921.B.WO","price":168.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/6502\/5358\/files\/stock55329_1.jpg?v=1793707848","url":"https:\/\/btpsouthwest.uk\/products\/oro2u-56-w4921-b-wo-256383","provider":"BTP - Braydon Trailers \u0026 Powersports | Sales, Hire, Parts, Servicing \u0026 Repairs","version":"1.0","type":"link"}