Description
When you’re pushing your Honda 350 to the limit, OEM pistons become a bottleneck. This WSM Piston Kit delivers the durability and thermal management you need to extract more power while maintaining reliability—whether you’re chasing lap times or building a dependable rebuild. The MOS2-coated skirts actively dissipate heat, reducing friction and extending component life under sustained high RPM operation.
Each kit is engineered to OEM or better tolerances, with a refined E-clip design that ensures secure fitment and eliminates unnecessary risk during installation and operation.
- +.50mm oversized bore
- Includes piston, rings, pin, clips
- Improved E-clip design
- MOS2-coated skirts
- Heat-dissipating construction
- Hardened ring grooves
- Meets/exceeds OEM quality
- Order one per cylinder
- Additional rings sold separately
- Bolt-on replacement
- MPN: 50-226-05K
