Description
Pistons are the heart of your engine’s combustion cycle—and worn or stock units will limit your Polaris 300’s potential output and reliability under high RPM stress. The WSM Piston Kit delivers OEM-grade construction with engineered upgrades specifically designed to handle the demands of performance riding, giving you more power, reduced heat, and extended service life. Whether you’re rebuilding after wear or upgrading for competition, this complete kit eliminates guesswork and delivers measurable gains in efficiency and durability.
- Fitment: Polaris 300, +1 mm overbore
- Contents: Piston, rings, pin, clips
- MOS2 coating reduces friction and heat
- Heat-dissipating design improves longevity
- Hardened ring groove tops resist failure
- Improved E-clip design for reliability
- Installation: Bolt-on (one kit per cylinder)
- Additional rings available separately
- Meets or exceeds OEM quality standards
- MPN: 50-310-07PK
