Namura Top End Gasket Kit for Polaris fits many 400, 425 & 450 4-Stroke ATV's

Top End Gasket Kit for Polaris

This top end gasket kit contains all necessary gaskets for rebuilding the top end of compatible Polaris 4-stroke ATV engines.

Overview

This top end gasket kit from Namura is designed for Polaris 400, 425, and 450 4-stroke ATVs. The kit includes precision-engineered gaskets to restore compression and prevent leaks during an engine rebuild. Ideal for ATV enthusiasts and mechanics, this top end gasket kit ensures a reliable seal for top-end performance.

Built For Performance

• Manufactured from high-quality materials for durability and heat resistance
• Includes head gasket, base gasket, and valve stem seals for a complete top-end rebuild
• Precision-cut to match OEM specifications for accurate fitment
• Helps restore compression and prevent oil or coolant leaks
• Compatible with multiple Polaris 4-stroke ATV models

On-The-Job Use

• Rebuilding top end of Polaris 400, 425, and 450 4-stroke ATVs
• Restoring engine compression on high-mileage ATVs
• Replacing worn gaskets during cylinder head removal
• Preventing oil leaks after piston or cylinder replacement
• Suitable for trail riding and recreational ATV use

Good To Know

Q: Does this kit include a head gasket? A: Yes, the top end gasket kit includes a head gasket, base gasket, and valve stem seals for a complete top-end rebuild.

Q: Is this kit compatible with my specific Polaris model? A: It is designed to fit many Polaris 400, 425, and 450 4-stroke ATVs, but we recommend verifying your engine displacement and serial number for exact compatibility.

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