Wiseco Pistons PK1861 Piston Kit for Polaris RZR/Sportsman - 800 10.2 1 80mm

The Wiseco PK1861 high-performance piston kit is engineered specifically for Polaris Sportsman 800 (2005-2012) and Ranger RZR 800 (2007-2012) models. This complete top-end kit includes forged pistons and a comprehensive gasket set for a complete rebuild solution.

Key Specifications:

• Bore Size: 80mm
• Compression Ratio: 10.2:1
• ArmorGlide skirt coating for reduced friction and extended wear life
• Includes top-end gasket kit for complete installation

Forged Performance Advantages:

• 100% in-house forging process ensures superior quality control
• Condensed grain structure aligned to part features for maximum strength
• Superior impact and fatigue resistance compared to cast pistons
• Optimized strength-to-weight ratio for improved throttle response
• Proven durability under extreme racing and high-performance conditions

Wiseco's proprietary ArmorGlide coating reduces friction between the piston skirt and cylinder wall, minimizing wear while maximizing power transfer. Each piston is designed and tested in-house using advanced dyno testing to ensure reliable performance in demanding powersports applications.