Description
High-performance pistons are critical to engine reliability and power output, especially in forced induction or high-RPM applications where OEM components reach their limits. The WSM Piston Kit delivers OEM-quality construction with performance-oriented upgrades—including a specialized MOS2 coating that actively reduces friction and draws heat away from critical ring groove areas. This kit gives you the durability and efficiency needed to push your engine harder without compromising longevity.
- Fits Yamaha applications
- +.50 mm oversized bore
- MOS2-coated skirts
- Reduces heat and friction
- Hardened ring groove tops
- Improved E-clip design
- Includes piston, rings, pin, clips
- One kit per cylinder
- Meets/exceeds OEM quality
- Additional rings available separately
- Bolt-on installation
