SPI .020 Over Bore Piston Rings for Polaris XC 500, XC SP, RMK, Classic 71mm

Piston Rings for for Polaris

These .020 Over Bore Piston Rings for for Polaris provide a proper seal between the piston and cylinder wall for restored compression in 71mm applications.

Overview

The Piston Rings for for Polaris serve as a critical link in the engine internal sealing process. These Piston Rings for for Polaris ensure that combustion pressure is contained and oil consumption is minimized. Engine builders choose these Piston Rings for for Polaris when performing a cylinder bore-out and refresh.

Built For Performance

• Designed for .020 over-bore cylinders
• High tension for maximum compression
• Heat-treated for longevity
• Precisely sized for 71mm bores

Fits These Machines

• for Polaris XC 500
• for Polaris XC SP
• for Polaris RMK
• for Polaris Classic

On-The-Job Use

• Engine rebuilds
• Improving low power output
• Refreshing worn top ends

Specs At A Glance

Good To Know

Q: Do I need to gap the rings before install? A: Yes, checking and setting the ring end gap is essential for a proper engine build.

Q: Are these for a single piston? A: These rings are designed for a single piston application.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.