Namura .060 Over Bore Piston Rings for Polaris 1994-2003 400 2-Stroke ATV 84.5mm

.060 Over Bore Piston Rings for Polaris

These .060 over bore piston rings for Polaris are designed to restore compression and oil control in 400 2-stroke ATV engines with 84.5mm cylinders.

Overview

The .060 over bore piston rings for Polaris are essential for an engine refresh following a cylinder bore service. Precision engineering in these .060 over bore piston rings for Polaris ensures an ideal seal against cylinder walls. Riders rely on these .060 over bore piston rings for Polaris to get their engine running like new again.

Built For Performance

• Engineered for high-heat 2-stroke operation
• Precision gap for consistent compression
• Durable materials for extended wear life
• Optimized for oil control and heat dissipation
• Consistent tension across the cylinder wall

Fits These Machines

• for Polaris 400 2-Stroke ATV

Specs At A Glance

Good To Know

Q: What is the importance of cylinder boring? A: Boring ensures the cylinder walls are perfectly round and straight for the new rings to seat properly. A: Always verify your cylinder diameter before installation.

Q: Are these rings pre-gapped? A: It is standard procedure to check end gap clearance prior to final assembly to ensure they meet your specific build requirements.

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