{"product_id":"wossner-pro-series-piston-kit-for-250cc-4-stroke-engines-7","title":"Wossner Pro Series Piston Kit for 250cc 4-Stroke Engines","description":"\u003cp\u003eElevate your motorcycle's performance with the Wossner Pro Series Piston Kit, engineered for demanding 250cc 4-stroke engines. This premium kit delivers superior power, durability, and reliability for riders seeking optimal engine rebuild components.\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Wossner Pro Series Piston Kit is meticulously crafted to meet the rigorous demands of high-performance 250cc 4-stroke engines. Each \u003cem\u003eforged aluminum piston\u003c\/em\u003e is designed for exceptional strength and durability, ensuring reliability under extreme conditions. Featuring a precise 78.01 mm bore and a high 14.6:1 compression ratio, this kit is engineered to maximize power output and responsiveness. The piston skirts are treated with a permanent Molybdenum Disulphite (Moly) coating, significantly reducing friction and piston rock. This advanced coating not only contributes to a quieter operation but also aids in the critical break-in process, extending engine life and improving overall performance. Optimized machining techniques ensure lightness without compromising strength in crucial areas like the crown and skirt wall cross-section. This \u003cem\u003ehigh compression piston\u003c\/em\u003e kit includes a dual-ring setup, providing excellent sealing and oil control for consistent power delivery. Whether you're rebuilding a race engine or upgrading for enhanced street performance, this Wossner \u003cem\u003emotorcycle engine rebuild kit\u003c\/em\u003e offers the quality and precision you need.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Performance \u0026amp; Durability:\u003c\/strong\u003e Forged from aerospace-grade aluminum alloy, ensuring exceptional strength and longevity under high-stress conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Friction \u0026amp; Enhanced Break-in:\u003c\/strong\u003e Features a permanent Molybdenum Disulphite (Moly) skirt coating to minimize friction, reduce piston rock, and facilitate a smoother engine break-in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power \u0026amp; Efficiency:\u003c\/strong\u003e Engineered with a high 14.6:1 compression ratio and a precise 78.01 mm bore for maximum power output and fuel efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Robust Design:\u003c\/strong\u003e Optimized machining creates a lightweight piston while maintaining critical strength in the crown and skirt wall cross-sections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Engine Rebuild Solution:\u003c\/strong\u003e Each \u003cem\u003eWossner Pro Series piston\u003c\/em\u003e kit comes complete with piston, rings (nitride coated, steel, cast), pin, and clips for a comprehensive installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet \u0026amp; Smooth Operation:\u003c\/strong\u003e The advanced skirt coating and precise manufacturing contribute to reduced noise and improved operational smoothness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Dual Ring\u003c\/li\u003e\n\u003cli\u003eModel: Pro Series\u003c\/li\u003e\n\u003cli\u003eUnits: Kit\u003c\/li\u003e\n\u003cli\u003eBore Size: 78.01 mm\u003c\/li\u003e\n\u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n\u003cli\u003ePiston Size: Standard Size B\u003c\/li\u003e\n\u003cli\u003eDisplacement: 250 cc\u003c\/li\u003e\n\u003cli\u003eRing Material: Nitride Coated, Steel, Cast\u003c\/li\u003e\n\u003cli\u003eSkirt Coating: Molybdenum Disulphite\u003c\/li\u003e\n\u003cli\u003ePiston Diameter: 77.96 mm\u003c\/li\u003e\n\u003cli\u003ePiston Material: Aluminum Alloy, Forged\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 14.6:1\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 8924DB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381570818378,"sku":"09107124","price":2907.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/6bfa08f00e41d1542593858f849be5b8_94049507-654b-4d24-8e89-8249066114db.webp?v=1781742737","url":"https:\/\/partsdenmark.se\/products\/wossner-pro-series-piston-kit-for-250cc-4-stroke-engines-7","provider":"Parts Denmark","version":"1.0","type":"link"}