Namura .040 Over Bore Piston & Gasket Kit fits Polaris 330 4-Stroke ATVs 79.5mm

.040 Over Bore Piston & Gasket Kit for Polaris

This .040 over bore piston & gasket kit is a direct replacement for 79.5mm Polaris 330 4-stroke ATV engines, providing a complete rebuild solution with piston, rings, and gaskets.

Overview

This .040 over bore piston & gasket kit is purpose-built for Polaris 330 4-stroke ATV engines. It includes a precision-machined piston with rings and all necessary gaskets to refresh or rebuild your top end. Designed for cylinders bored .040 oversize, this kit delivers reliable compression and power for your Polaris 330 ATV.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Includes high-quality piston rings for proper sealing
• Complete gasket set for a thorough rebuild
• 79.5mm bore size for .040 over size cylinders
• Engineered for Polaris 330 4-stroke engine specifications

Fits These Machines

• for Polaris 330 4-Stroke ATV models

On-The-Job Use

• Trail riding and recreational off-road use
• Utility work and farm applications
• Engine rebuild and top-end restoration

Specs At A Glance

Good To Know

Q: Does this kit require machining the cylinder? A: Yes, the cylinder must be bored .040 over to 79.5mm to accept this piston.

Q: Are the gaskets included for the full top end? A: Yes, the gasket kit covers all necessary sealing surfaces for the cylinder head and base.

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