Wossner Pro Series Piston Kit for 4-Stroke 500cc

Elevate your engine's performance and reliability with the Wossner Pro Series Piston Kit for 4-Stroke 500cc 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.

Description

The Wossner Pro Series Piston Kit is meticulously crafted to meet the rigorous demands of high-performance 4-stroke engines, specifically designed for 500cc displacement. 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 77.02 mm bore size and an aggressive 13.7:1 compression ratio, this dual ring piston kit 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.

Features & Highlights

• Superior Friction Reduction: Features a permanent Molybdenum Disulphite (Moly) skirt coating, significantly reducing friction and piston rock for quieter operation, improved efficiency, and extended engine life.
• Optimized Strength & Lightness: 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.
• Enhanced Power Output: 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.
• Complete Kit for Easy Installation: 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.
• Proven Durability: Forged construction and premium materials guarantee exceptional resistance to wear and tear, ensuring long-lasting reliability for your 4-stroke 500cc engine.

Technical Specifications

• Type: Dual Ring
• Model: Pro Series
• Units: Kit
• Bore Size: 77.02 mm
• Piston Diameter: 76.97 mm
• Piston Size: Standard Size C
• Engine Type: 4-Stroke
• Displacement: 500 cc
• Compression Ratio: 13.7:1
• Piston Material: Forged Aluminum Alloy
• Ring Material: Nitride Coated, Steel, Cast
• Skirt Coating: Molybdenum Disulphite
• Wossner Part Number (MPN): 09107128
• Vendor Part Number: 8942DC

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