Namura Standard Bore Piston Kit for Polaris fits 2003-2013 330 ATV's - 78.5mm

Namura Standard Bore Piston Kit for Polaris

This Namura standard bore piston kit is a direct replacement for 2003-2013 Polaris 330 ATV engines, featuring a 78.5mm bore size and precision-machined construction to restore compression and power.

Overview

This Namura standard bore piston kit is designed for Polaris 330 ATV models from 2003 to 2013, providing a reliable replacement for worn pistons. The kit includes a 78.5mm piston, rings, and wrist pin, ensuring a precise fit and consistent performance. Ideal for rebuilding or upgrading the top end of your Polaris 330 engine.

Built For Performance

• 78.5mm standard bore size for direct fit
• High-strength aluminum alloy construction for durability
• Precision-machined skirt and ring grooves reduce friction
• Includes piston rings and wrist pin for complete installation
• Designed to meet or exceed OEM specifications

Fits These Machines

• for Polaris 330 ATV models (2003-2013)

On-The-Job Use

• Rebuilding the top end of a Polaris 330 ATV engine
• Restoring lost compression and power in high-mileage engines
• Replacing a damaged or worn piston during engine overhaul
• Upgrading to a fresh piston for improved performance

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with all 2003-2013 Polaris 330 models? A: This kit is designed for standard bore engines; confirm your engine's bore condition before ordering.

Q: Does the kit include a piston pin and circlips? A: Yes, the kit includes the wrist pin and rings; circlips may be sold separately, so check your existing parts.

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