Description
A piston kit is one of the most critical internal components you’ll upgrade in a high-performance build—it directly impacts compression ratio, heat dissipation, and ring sealing consistency. The WSM 010-840K delivers OEM-equivalent quality with engineered improvements like the MOS2 coating on the skirts, which actively reduces friction and draws heat away from the piston crown for measurable gains in power and durability. If you’re rebuilding a Kawasaki 900 or preparing for sustained high-RPM operation, this kit provides the reliability and thermal management you need without compromise.
- Fits: Kawasaki 900
- Complete kit includes: piston, rings, pin, clips
- Construction: OEM-quality standard
- Piston skirts: MOS2-coated
- MOS2 function: reduces friction, draws heat
- Ring groove tops: specially hardened
- Improved E-clip design: enhanced retention
- Installation: one kit per cylinder
- Additional rings: available separately
- MPN: 010840K
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