{"product_id":"wossner-pro-series-piston-kit-for-4-stroke-500cc","title":"Wossner Pro Series Piston Kit for 4-Stroke 500cc","description":"\u003cp\u003eElevate your engine's performance and reliability with the \u003cstrong\u003eWossner Pro Series Piston Kit for 4-Stroke 500cc\u003c\/strong\u003e engines. Engineered from aerospace-grade forged aluminum, this premium piston kit delivers exceptional durability and power. Its advanced design, including a permanent Moly skirt coating, significantly reduces friction and piston rock for a quieter, more efficient ride.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe Wossner Pro Series Piston Kit is meticulously crafted to meet the rigorous demands of high-performance 4-stroke engines, specifically designed for \u003cstrong\u003e500cc displacement\u003c\/strong\u003e. Each piston is precision-machined for optimal lightness without compromising strength in critical areas like the crown and skirt wall. Forged from high-quality aerospace-grade aluminum alloy, it ensures superior resilience and a longer lifespan under extreme conditions. The innovative permanent Molybdenum Disulphite (Moly) skirt coating is a key feature, actively working to minimize friction and piston rock, which not only contributes to quieter operation but also enhances overall engine efficiency and assists during the break-in period. With a precise \u003cstrong\u003e77.02 mm bore size\u003c\/strong\u003e and an aggressive \u003cstrong\u003e13.7:1 compression ratio\u003c\/strong\u003e, this \u003cstrong\u003edual ring piston kit\u003c\/strong\u003e is engineered to deliver enhanced power output and responsive throttle feel. The kit includes everything needed for a complete piston replacement: the piston, high-quality Nitride Coated steel cast rings, a robust pin, and secure clips, making installation straightforward for mechanics and enthusiasts alike.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Friction Reduction:\u003c\/strong\u003e Features a permanent Molybdenum Disulphite (Moly) skirt coating, significantly reducing friction and piston rock for quieter operation, improved efficiency, and extended engine life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Strength \u0026amp; Lightness:\u003c\/strong\u003e Meticulously machined from aerospace-grade forged aluminum alloy, ensuring maximum strength in critical areas like the crown and skirt while maintaining an exceptionally lightweight profile for responsive performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Power Output:\u003c\/strong\u003e Engineered with a precise 77.02 mm bore and a high 13.7:1 compression ratio, providing increased power and torque for demanding riding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit for Easy Installation:\u003c\/strong\u003e Includes a high-quality dual-ring piston, durable Nitride Coated steel cast rings, a robust piston pin, and secure clips, offering a comprehensive solution for a seamless engine rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven Durability:\u003c\/strong\u003e Forged construction and premium materials guarantee exceptional resistance to wear and tear, ensuring long-lasting reliability for your 4-stroke 500cc engine.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\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: 77.02 mm\u003c\/li\u003e\n\u003cli\u003ePiston Diameter: 76.97 mm\u003c\/li\u003e\n\u003cli\u003ePiston Size: Standard Size C\u003c\/li\u003e\n\u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n\u003cli\u003eDisplacement: 500 cc\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 13.7:1\u003c\/li\u003e\n\u003cli\u003ePiston Material: Forged Aluminum Alloy\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\u003eWossner Part Number (MPN): 09107128\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 8942DC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381570916682,"sku":"09107128","price":207.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/6bfa08f00e41d1542593858f849be5b8_dc16162e-73ed-4629-82b4-7deb78a70b8a.webp?v=1781742743","url":"https:\/\/partsdenmark.com\/products\/wossner-pro-series-piston-kit-for-4-stroke-500cc","provider":"Parts Denmark","version":"1.0","type":"link"}