Description
The WSM Piston Assembly 50-520-69 is engineered for serious racers and high-performance builders who demand reliability under extreme combustion pressures. MOS2 coating maximizes heat dissipation and reduces friction, directly translating to sustained power output and extended engine life. Whether you’re running long-rod or standard configurations, this German-manufactured piston delivers the precision fitment required for competitive racing.
- MOS2 coated surface
- Heat-resistant coating
- Ported for WSM sleeves
- Bore range: 64–70.5mm
- Long-rod pin height
- 5mm elevated pin design
- Made in Germany
- CNC precision machined
- MPN: 50-520-69







