Description
When your Polaris 500 is pushing limits on the track or trail, your pistons need to handle sustained combustion pressures and thermal stress without compromise. The WSM Piston Kit delivers OEM-equivalent quality with engineering refinements that improve durability and extract measurable power gains through advanced coating technology. Whether you’re rebuilding after hard use or upgrading for reliability, this complete kit gives you everything needed for a cylinder—no sourcing individual components separately.
- Fits: Polaris 500
- MPN: 50-311K
- Contents: Piston, rings, pin, clips
- Order: One per cylinder
- Coating: MOS2-treated skirts
- Coating benefit: Reduced friction, heat dissipation
- Ring grooves: Specially hardened
- Design: Improved E-clip
- Installation: Bolt-on replacement
- Additional rings: Available separately
- Material quality: Meets/exceeds OEM
