Description
Engine cooling efficiency directly impacts performance and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-38B water pump cover and impeller combo increases coolant flow across the entire RPM band, maintaining lower, more stable operating temperatures that protect critical engine components. By upgrading to this investment-cast aluminum assembly, you’re investing in measurable thermal management that translates to extended engine life and consistent performance.
- Aluminum investment-cast construction
- Patented nautilus impeller design
- High-flow hydrodynamic geometry
- Increased coolant circulation all RPMs
- Reduced engine operating temperature
- Bolt-on installation
- Black anodized finish
- MPN: WPK-38B
- Extended engine durability
