{"product_id":"wossner-pro-series-piston-kit-for-4-stroke-engines-2","title":"Wossner Pro Series Piston Kit for 4-Stroke Engines","description":"\u003cp\u003eUpgrade your motorcycle's performance and reliability with the high-quality Wossner Pro Series 4-stroke piston kit. Engineered for demanding riders, this kit delivers exceptional power output and durability, making it an ideal choice for engine rebuilds or performance enhancements.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eWossner Pro Series 4-stroke piston kit\u003c\/strong\u003e is meticulously engineered from a robust \u003cem\u003eforged aluminum alloy\u003c\/em\u003e to withstand the extreme pressures of high-performance engines. Designed with a precise 88.01 mm bore size and an aggressive 12.5:1 compression ratio, this piston maximizes power delivery and engine efficiency. Key features include enhanced piston pin oiling slots, radial boss machining, and annular grooves, all working in concert to significantly improve wrist pin lubrication and extend component life.\u003c\/p\u003e\u003cp\u003eWossner's commitment to performance is evident in the lightweight piston design, which, combined with a tight piston wall clearance, ensures a quieter running engine and reduced vibration. The piston skirt is specially coated to minimize friction and promote a smoother break-in period, while the advanced ring land treatment optimizes ring seal for superior oil control and sustained power. For applications requiring maximum strength, a double bridged forging design is incorporated where noted, ensuring unparalleled resilience. This comprehensive \u003cstrong\u003emotorcycle piston kit\u003c\/strong\u003e includes everything you need for a complete installation: the piston, high-quality rings, a durable wrist pin, and secure pin locks.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Lubrication:\u003c\/strong\u003e Enhanced piston pin oiling slots, radial boss machining, and annular grooves ensure superior wrist pin lubrication, extending component life and reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet \u0026amp; Efficient Operation:\u003c\/strong\u003e Lightweight design with tight piston wall clearance minimizes noise and vibration for a smoother running engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Friction \u0026amp; Improved Break-in:\u003c\/strong\u003e Specially coated piston skirt significantly reduces friction, promoting easier break-in and sustained performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Ring Seal:\u003c\/strong\u003e Advanced ring land treatment enhances ring seal for improved oil control and consistent power delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Durability:\u003c\/strong\u003e Constructed from high-strength forged aluminum alloy, with a double bridged design where noted, for maximum resilience under extreme conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Rebuild Solution:\u003c\/strong\u003e Each kit includes the piston, high-quality rings, wrist pin, and pin locks, providing all necessary components for a comprehensive engine refresh.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wossner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Pro Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Piston Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 4-Stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Material:\u003c\/strong\u003e Forged Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 88.01 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Size:\u003c\/strong\u003e 87.96 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore - Oversize:\u003c\/strong\u003e +0.01 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke Length:\u003c\/strong\u003e 57.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 12.5:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Standard Size B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnits:\u003c\/strong\u003e Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN\/SKU:\u003c\/strong\u003e 09106136\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVendor Part Number:\u003c\/strong\u003e 8941DB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381526810954,"sku":"09106136","price":2743.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/412eaf49c8fd424bbeeeed69323b096d.webp?v=1781741306","url":"https:\/\/partsdenmark.se\/products\/wossner-pro-series-piston-kit-for-4-stroke-engines-2","provider":"Parts Denmark","version":"1.0","type":"link"}