Namura .020 Over Bore Piston Gasket Kit for Arctic Cat 1999-2005 250 ATV 66.5mm

.020 Over Bore Piston Gasket Kit for Arctic Cat

This .020 over bore piston gasket kit includes a .020 oversize piston, rings, and full gasket set for rebuilding the engine of Arctic Cat 250 ATV models from 1999 to 2005.

Overview

This .020 over bore piston gasket kit is designed to restore compression and power in Arctic Cat 250 ATV engines. It includes a precision-machined piston, rings, and complete gasket set for a top-end overhaul. This .020 over bore piston gasket kit ensures a perfect fit for 66.5mm cylinders on 1999-2005 models.

Built For Performance

• Includes piston, rings, wrist pin, circlips, and full gasket set
• Piston manufactured from high-silicone aluminum alloy for durability
• Oversize .020 allows for cylinder reconditioning
• Gaskets made from high-temperature materials
• Precision-machined ring grooves for optimal seal
• Complete kit reduces ordering separate parts

Fits These Machines

• for Arctic Cat 250 ATV (1999-2005)

On-The-Job Use

• Restores engine performance after cylinder wear
• Used in full top-end rebuilds for Arctic Cat ATVs
• Commonly installed during seasonal maintenance
• Essential for increasing engine life in utility and sport ATVs
• Suitable for off-road and trail riding applications

Specs At A Glance

Good To Know

Q: Does this kit include everything needed for a top-end rebuild? A: Yes, it includes the piston, rings, wrist pin, circlips, and a complete gasket set for the Arctic Cat 250 ATV.

Q: What is the piston diameter? A: The piston measures 66.5mm, which is .020 over standard bore.

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