Namura .060 Over Bore Piston Rings for Polaris Trail Boss 250 1985-1999 73.5mm

.060 Over Bore Piston Rings for for Namura

These .060 over bore piston rings for for Namura ensure proper compression and oil control for your engine cylinder. These rings are sized at 73.5mm to restore performance to your engine during a rebuild.

Overview

The .060 over bore piston rings for for Namura are crafted to provide an exact seal within the cylinder wall. Installing these .060 over bore piston rings helps regain lost power by maintaining cylinder pressure. Mechanics rely on these .060 over bore piston rings for precision engine service.

Built For Performance

• Precision manufacturing for exact cylinder fit
• High strength material composition
• Optimized ring tension for better compression
• Heat treated for increased durability
• Precision ground for improved seating

Fits These Machines

• for Polaris Trail Boss 250 1985-1999

On-The-Job Use

• Complete engine top end overhauls
• Restoring compression on aging powerplants
• Routine maintenance for high hour engines

Specs At A Glance

Good To Know

Q: Should I hone the cylinder before installation? A: Yes, deglazing the cylinder wall is necessary to allow the new rings to seat properly.

Q: Are these rings compatible with a stock bore? A: No, these are specifically designed for an oversized cylinder bore.

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