Namura .040 Over Bore Piston & Top End Gasket Kit for Kawasaki KFX400 91mm

Namura .040 Over Bore Piston & Top End Gasket Kit for Kawasaki

This Namura piston and top end gasket kit is a .040 over bore (91mm) replacement for Kawasaki KFX400 engines, providing all necessary components for a full top end rebuild.

Overview

This Namura .040 over bore piston and top end gasket kit is designed for rebuilding the top end of Kawasaki KFX400 engines. It includes an oversized piston and all required gaskets for a complete overhaul. This piston kit allows for increased displacement and restored engine performance.

Built For Performance

• Oversized .040 (91mm) piston for increased compression
• Includes piston rings, wrist pin, and circlips
• Complete top end gasket set for a secure seal
• High-strength aluminum alloy construction
• Precision-machined for exact fit in KFX400

Fits These Machines

• for Kawasaki KFX400

On-The-Job Use

• Top end engine rebuilding
• Performance restoration after cylinder boring
• Trail riding and recreational use
• Off-road racing applications

Specs At A Glance

Good To Know

Q: Does this kit include everything for a top end rebuild? A: Yes, it includes a piston, rings, wrist pin, and a complete top end gasket set for your Kawasaki KFX400.

Q: Can this piston be used with stock cylinder? A: No, it requires boring the cylinder to .040 over (91mm); ensure your cylinder is properly sized before installation.

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