Description
Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-38CB water pump cover and impeller upgrade increases coolant flow across your entire RPM range, keeping combustion temperatures stable and preventing thermal stress on critical engine components. This investment-cast aluminum assembly is engineered to deliver measurable thermal improvements without requiring extensive fabrication or modification.
- Aluminum investment-cast construction
- Patented nautilus impeller design
- Increased flow all RPMs
- Hydrodynamic efficiency optimized
- Bolt-on installation
- Reduces peak engine temperatures
- Improves thermal consistency
- Extends engine service life
- MPN: WPK-38CB
- Black anodized finish
