Namura .020 Over Bore Piston Rings for Polaris 570 Sportsman, RZR, Ranger 99.5mm

Namura .020 Over Bore Piston Rings for Polaris 570

These Namura .020 Over Bore Piston Rings are designed for Polaris 570 engines (Sportsman, RZR, Ranger) with a 99.5mm bore, providing a high-performance ring set for oversized pistons.

Overview

The Namura .020 Over Bore Piston Rings fit Polaris 570 models including Sportsman, RZR, and Ranger with a 99.5mm bore. They are intended for engines using .020 over bore pistons, offering improved ring seal and durability. These rings are ideal for Polaris owners rebuilding their engines with oversized components.

Built For Performance

• .020 over bore (99.5mm) size for oversize pistons
• High-quality steel alloy for longevity
• Includes compression rings and oil ring
• Designed for consistent ring seal
• Compatible with Namura and other oversize pistons

Fits These Machines

• for Polaris Sportsman 570
• for Polaris RZR 570
• for Polaris Ranger 570

On-The-Job Use

• Engine rebuilds and performance upgrades
• ATV and UTV trail riding
• Utility work and farm use

Specs At A Glance

Good To Know

Q: Are these rings suitable for use with aftermarket pistons?A: Yes, they are designed for .020 over pistons, commonly used with Namura or other brands.

Q: Do they require special gap setting?A: Standard ring end gap specifications apply; refer to the Polaris service manual for exact values.

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