Namura .020 Over Piston & Gasket Kit for Arctic Cat 400 Utility 2003-2008 82.5mm

Piston & Gasket Kit for Arctic Cat

This .020 over piston and gasket kit is designed for Arctic Cat 400 Utility models (2003-2008) with an 82.5mm bore, providing a complete overhaul solution for engine rebuilds.

Overview

The Namura .020 over piston and gasket kit replaces the original piston and gaskets in Arctic Cat 400 Utility engines, offering an oversized option to restore compression and power. This piston and gasket kit includes a precision-cast piston, rings, and all necessary gaskets for a full top-end rebuild.

Built For Performance

• High-silicon aluminum alloy piston for reduced expansion and longer life
• Moly-coated skirt for reduced friction and scuff resistance
• Oversized .020 (0.5mm) to allow for cylinder wear
• Includes complete gasket set cylinder head, base, and exhaust
• Precision-machined ring grooves for optimal seal

Fits These Machines

• for Arctic Cat 400 Utility (2003-2008)

On-The-Job Use

• Top-end rebuilds for farm and utility ATVs
• Restoring lost compression due to worn piston and rings
• Overcoming cylinder scoring by using an oversized piston
• Routine maintenance for high-mileage Arctic Cat 400 engines

Specs At A Glance

Good To Know

Q: Does this kit include a wrist pin and circlips? A: Yes, the piston kit includes the wrist pin and circlips; the gasket set covers all engine sealing surfaces.

Q: Can I reuse my old cylinder after boring? A: Yes, but the cylinder must be bored to the .020 over size by a professional machine shop to ensure proper clearance.

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