Description
Stock pistons wear down, lose compression, and rob your Kawasaki 650 of horsepower and reliability. The WSM Piston Kit delivers OEM-quality construction with measurable performance upgrades—lower operating temperatures, reduced friction, and extended ring groove durability—giving you more power and longer service life between rebuilds. Order one kit per cylinder and get back on the track with confidence.
- Meets or exceeds OEM specifications
- Improved E-clip design
- Includes piston, rings, pin, clips
- MOS2-coated skirts reduce friction
- MOS2 coating dissipates heat efficiently
- Specially hardened ring groove tops
- Enhanced strength and longevity
- Additional rings available separately
- Order one kit per cylinder
- Kawasaki 650 fitment
- MPN: 50-256K






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