Boost cooling performance with the Boyesen Supercooler water pump cover and impeller kit. Its high-flow, hydrodynamic design moves more coolant across the RPM range to keep engine temperatures more stable and help extend engine life.
Keep your engine running cooler and more consistently with the Boyesen Supercooler Water Pump Cover and Impeller Kit. This aluminum investment-cast cover and high-flow impeller combo is purpose-built to enhance your engine’s cooling system performance by moving more coolant—helping reduce temperature spikes and improving overall stability in demanding riding conditions.
By increasing coolant flow at all RPM ranges, the Supercooler kit helps your engine maintain a more constant operating temperature, which can contribute to better reliability and longer engine life—especially during slow, technical sections or hard motos where heat buildup is common.
