Namura Standard Bore Piston Rings for Polaris Scrambler 850 & Sportsman 850 87mm

Standard Bore Piston Rings for for Polaris

These standard bore piston rings provide a reliable seal for for Polaris Scrambler 850 and Sportsman 850 engines with an 87mm diameter. These standard bore piston rings restore compression and oil control to maintain for Polaris engine efficiency.

Overview

The standard bore piston rings serve as essential components for rebuilding an engine top end. These standard bore piston rings are designed for for Polaris owners who require factory-spec sealing performance. The set ensures consistent ring tension across the cylinder wall for smooth operation.

Built For Performance

• Engineered for 87mm cylinder bores
• High tensile strength for durability
• Optimized oil ring expander design
• Chrome faced for wear resistance
• Compatible with factory pistons

Fits These Machines

• for Polaris Scrambler 850
• for Polaris Sportsman 850

On-The-Job Use

• Restoring compression in high-mileage engines
• Top end rebuild projects
• Maintenance for trail riding units

Specs At A Glance

Good To Know

Q: Do these rings require cylinder honing? A: Yes, professional honing is recommended to ensure proper seating of the new rings against the cylinder wall.

Q: Are these compatible with aftermarket pistons? A: These rings are designed for standard bore dimensions and may not fit oversized or specific aftermarket piston ring grooves.

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