Description
Engine cooling efficiency directly impacts performance, longevity, and reliability—especially under sustained high-RPM operation. The BOYESEN Impeller/Waterpump Cover WPK-20M delivers measurably higher coolant flow across the entire RPM band, maintaining lower, more consistent engine temperatures that reduce thermal stress on internal components. By upgrading to a high-flow water pump system, you’re extending engine life while preserving peak performance in demanding conditions.
- Aluminum investment-cast construction
- Patented nautilus-style impeller
- Increased flow at all RPMs
- Hydrodynamic efficiency design
- Reduces engine operating temperature
- Maintains stable thermal conditions
- Bolt-on installation
- MPN: WPK-20M









