WSM 50-251-06K Piston Kit 0.75mm Oversize for Kawasaki 400 ATV

The WSM 50-251-06K is a complete oversize piston kit engineered for Kawasaki 400cc ATVs requiring a 0.75mm overbore rebuild. This professional-grade kit features an 81.75mm bore size and is designed specifically for 4-stroke ATV engines that need precision machining and cylinder reboring.

Complete Kit Includes:

• Forged piston with MOS2 coating for enhanced performance and heat dissipation
• Piston rings for proper compression and oil control
• Piston pin and circlips
• Improved E-clip design for reliable installation

Key Features:

• Quality construction that meets or exceeds OEM specifications
• 0.75mm oversize bore allows cylinder reconditioning and extended engine life
• MOS2 coating provides superior heat absorption and reduced friction
• Competitively forged piston design for durability and performance
• Designed for Kawasaki KVF400 Prairie 2x4 and 4x4 models (1999-2002)

This oversize piston kit is ideal for rebuilding worn engines or increasing performance after cylinder boring. Professional installation and precise cylinder machining to 81.75mm bore diameter required.