Namura Standard Bore Piston Kit for Polaris 325 Magnum Trail Boss Xpedition 78mm

Namura Standard Bore Piston Kit for Polaris

This Namura Standard Bore Piston Kit is a replacement piston assembly designed for Polaris 325 Magnum, Trail Boss, and Xpedition models with a 78mm bore, providing a direct fit and reliable performance for engine rebuilds.

Overview

The Namura Standard Bore Piston Kit offers a high-quality alternative for restoring compression and power in Polaris 325cc engines. This 78mm piston kit includes the piston, rings, wrist pin, and clips, ensuring a complete replacement for worn components. It is intended for standard bore applications and is suitable for ATV models including the Magnum, Trail Boss, and Xpedition.

Built For Performance

• Precision-machined from high-strength aluminum alloy for durability
• Includes chrome-plated piston rings for reduced friction and improved seal
• Correct 78mm bore diameter for standard Polaris 325 engines
• Includes wrist pin and retaining clips for complete installation
• Designed to meet or exceed OEM specifications

Fits These Machines

• for Polaris 325 Magnum
• for Polaris Trail Boss
• for Polaris Xpedition

On-The-Job Use

• Trail riding and recreational ATV use
• Utility tasks requiring reliable engine performance
• Engine rebuilds and overhauls
• Replacement for worn or damaged pistons

Specs At A Glance

Good To Know

Q: Does this kit include the wrist pin bearing? A: No, the wrist pin bearing is not included; you will need to reuse your existing bearing or purchase separately.

Q: Is this a direct replacement for the OEM piston? A: Yes, this Namura piston kit is designed as a direct replacement for the original piston in Polaris 325 engine models listed.

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