Namura .040 Over Bore Piston Rings for Arctic Cat 375 400 Utility 83mm SEE YEARS

Piston Rings for Arctic Cat 375 400 Utility

These .040 over bore piston rings for Arctic Cat 375 400 Utility provide the necessary seal between the piston and cylinder wall for proper engine compression. They are essential for a top-end engine rebuild on an over-bored cylinder.

Overview

The .040 over bore piston rings for Arctic Cat 375 400 Utility are precision engineered to accommodate engines that have been bored out to 83mm. These .040 over bore piston rings for Arctic Cat 375 400 Utility help restore engine power and reduce blow-by gases. This set is designed for reliable sealing during high-load utility work.

Built For Performance

• Engineered for high heat resistance
• Precision gaps for optimal ring end clearance
• Chrome-faced for reduced cylinder wall friction
• Tension-rated for maximum compression sealing

Specs At A Glance

Good To Know

Q: Do I need to hone the cylinder before installing these rings? A: Yes, a fresh cross-hatch hone is necessary to ensure the rings seat correctly against the cylinder wall.

Q: Can these be used on a standard bore? A: No, these rings are specifically sized for an .040 over bore and will not fit a factory standard cylinder.

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