Namura .040 Over Bore Piston Rings for Honda Foreman 400 4x4 fits 1995-2003 87mm

.040 Over Bore Piston Rings for for Namura

These .040 over bore piston rings for for Namura provide a precise seal for for Honda Foreman 400 4x4 engines requiring 87mm sizing.

Overview

The .040 over bore piston rings for for Namura are designed to restore compression and oil control in worn cylinders. These .040 over bore piston rings for for Namura offer a direct replacement for engines bored 0.040 over the stock dimension. They are engineered for professional mechanics and enthusiasts performing internal top end repairs.

Built For Performance

• Engineered for 87mm bore applications
• Designed for .040 over bore cylinders
• Optimized heat dissipation characteristics
• Durable ring tension for consistent compression

Fits These Machines

• for Honda Foreman 400 4x4 1995-2003

On-The-Job Use

• Restoring engine compression in high mileage units
• Rebuilding top ends after cylinder over-boring
• Maintaining seal integrity during heavy duty use

Specs At A Glance

Good To Know

Q: Do these rings require cylinder honing? A: Yes, professional engine rebuilding standards require cylinder honing to ensure proper seating of these rings.

Q: Will these fit a stock cylinder? A: No, these are specifically designed for an 87mm bore which is .040 over the original factory specification.

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