Wossner Piston Kit 71.87 mm Polaris 800 XCR 1999-2003 K7043DA-3

If you're running a Polaris 800 XCR and want to restore lost compression or upgrade to higher performance, a quality piston kit is non-negotiable. This Wossner 71.87 mm kit delivers precision engineering that improves throttle response while maintaining the reliability you need for serious riding. You get everything required for a complete refresh—piston, rings, wrist pin, and locks—so there's no guessing what else you'll need.

The tight wall clearance minimizes friction and sealing loss, meaning more power actually reaches the snow. The lightweight design reduces reciprocating mass, which translates to quicker acceleration and less strain on your crankshaft. Wossner's reputation for durability means this kit will handle sustained high-RPM operation without premature wear, making it the smart choice for both trail riders pushing limits and those prepping for competitive events.

• Bore diameter: 71.87 mm
• Fitment: Polaris 800 XCR 1999–2003
• Material: High-strength alloy
• Kit includes: Piston, rings, wrist pin, locks
• Lightweight design
• Optimized heat dissipation
• Tight wall clearance
• MPN: K7043DA-3
• Installation: Requires engine disassembly
• Includes: Detailed instructions