{"product_id":"wossner-pro-series-piston-kit-for-250cc-4-stroke-engines-6","title":"Wossner Pro Series Piston Kit for 250cc 4-Stroke Engines","description":"\u003cp\u003eUnleash the full potential of your 250cc 4-stroke engine with the Wossner Pro Series Piston Kit. Engineered for peak performance and exceptional durability, this kit provides a significant upgrade for serious riders and rebuilders.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Wossner Pro Series Piston Kit is meticulously crafted to elevate the performance and longevity of your motorcycle's 250cc 4-stroke engine. Each piston is precision-forged from aerospace-grade aluminum alloy, ensuring unparalleled strength and resistance to the extreme pressures of high-performance riding. Featuring an optimized machining process, these pistons achieve remarkable lightness without compromising structural integrity, particularly in critical areas like the crown and skirt wall cross-section. A key highlight is the permanent Molybdenum Disulphide skirt coating, which significantly reduces friction and piston rock. This advanced coating not only contributes to a quieter engine operation but also enhances overall performance and assists in the crucial break-in period. With a \u003cstrong\u003e14.5:1 compression ratio\u003c\/strong\u003e and a precise \u003cstrong\u003e78.02 mm bore size\u003c\/strong\u003e (77.98 mm piston diameter), this dual-ring piston kit is designed for optimal power delivery. The complete package includes the piston, high-quality nitride coated steel and cast rings, a wrist pin, and circlips, making it a comprehensive solution for your engine overhaul or upgrade.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Durability \u0026amp; Performance:\u003c\/strong\u003e Precision-forged from aerospace-grade aluminum alloy, offering superior strength and longevity under demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Friction \u0026amp; Noise:\u003c\/strong\u003e Features a permanent Molybdenum Disulphide skirt coating that minimizes friction, reduces piston rock, ensures quieter operation, and aids in efficient break-in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Lightweight Design:\u003c\/strong\u003e Expertly machined for reduced weight while maintaining crucial strength in the piston crown and skirt wall for reliable, high-performance use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Compression Ratio:\u003c\/strong\u003e Engineered with a 14.5:1 compression ratio, delivering powerful and efficient combustion for improved engine output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit for Easy Installation:\u003c\/strong\u003e Includes a high-quality dual-ring piston, nitride coated steel and cast piston rings, wrist pin, and circlips, providing all necessary components for a comprehensive upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n\u003cli\u003eDisplacement: 250 cc\u003c\/li\u003e\n\u003cli\u003eBore Size: 78.02 mm\u003c\/li\u003e\n\u003cli\u003ePiston Diameter: 77.98 mm\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 14.5:1\u003c\/li\u003e\n\u003cli\u003ePiston Material: Forged Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003eSkirt Coating: Molybdenum Disulphide\u003c\/li\u003e\n\u003cli\u003eRing Material: Nitride Coated Steel, Cast\u003c\/li\u003e\n\u003cli\u003eUnits: Kit\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 8874DC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381570490698,"sku":"09107112","price":265.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/6bfa08f00e41d1542593858f849be5b8_9d5b98aa-0637-4a00-bf4f-bb43f90c7e79.webp?v=1781742714","url":"https:\/\/partsdenmark.com\/it\/products\/wossner-pro-series-piston-kit-for-250cc-4-stroke-engines-6","provider":"Parts Denmark","version":"1.0","type":"link"}