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boyesen

548 products
Boyesen WPK-26-OK Supercooler Replacment O-Ring Kit
$9.10
$9.10
Fits all Boyesen Hy-Flo Water Pump Covers and Impeller Kits.Vehicle Fitment:2005-2007 Suzuki RM-Z450
Boyesen WPK-26AB Supercooler Kit - Black
$228.39
$228.39
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2008-2023 Suzuki RM-Z450 2010 Suzuki RMX450Z 2017...
Boyesen WPK-26AM Supercooler Kit - Magnesium
$228.39
$228.39
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2008-2022 Suzuki RM-Z450 2010 Suzuki RMX450Z 2017...
Boyesen WPK-28B Supercooler Kit - Black
$219.01
$219.01
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2006-2009 Suzuki LT-R450 QuadRacer
Boyesen WPK-31AB Supercooler Kit - Black
$219.01
$219.01
Includes stainless steel water pump shaft.. Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2005...
Boyesen WPK-31B Supercooler Kit - Black
$195.58
$195.58
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:1998-2004 Yamaha YZ125
Boyesen WPK-32AB Supercooler Kit - Black
$200.30
$200.30
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:1999-2025 Yamaha YZ250 2022-2023 Yamaha YZ250 Mon...
Boyesen WPK-32AL Supercooler Kit - Blue
$204.05
$204.05
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:1999-2024 Yamaha YZ250 2022-2023 Yamaha YZ250 Mon...
Boyesen WPK-32AM Supercooler Kit - Magnesium
$200.30
$200.30
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:1999-2025 Yamaha YZ250 2022-2023 Yamaha YZ250 Mon...
Boyesen WPK-37B Supercooler Kit - Black
$195.58
$195.58
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2001-2009 Yamaha WR250F 2011-2013 Yamaha WR250F 2...
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Boyesen WPK-37CL Supercooler Kit - Blue
$194.34
$194.34
$224.95
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2020-2021 Yamaha WR250F 2019-2022 Yamaha YZ250F 2...
Boyesen WPK-37M Supercooler Kit - Magnesium
$200.30
$200.30
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2001-2009 Yamaha WR250F 2011-2013 Yamaha WR250F 2...
Boyesen WPK-38AM Supercooler Kit - Magnesium
$171.51
$171.51
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2010-2013 Yamaha YZ450F
Boyesen WPK-38CB Supercooler Kit - Black
$219.01
$219.01
Cast aluminum construction. Increased coolant flow in all RPM ranges. Patented nautilus style impeller for Hydro dynamic efficiency.Vehicle Fitment:2016-2023 Yamaha WR450F 2014-2022 Yamaha YZ450F 2...
Boyesen WPK-38CL Spectra Series Hy-Flo Water Pump Cover and Impeller Kit - Blue
$227.80
$227.80
2-piece cast aluminum construction. Oil filter access for hassle free filter changes. Increased coolant flow at all RPM ranges. Patented Nautilus style impeller for hydrodynamic efficiency.Vehicle ...
Boyesen WPK-41B Hy-Flo Water Pump Cover and Impeller Kit - Black
$207.37
$207.37
Fits KTM 125 XC-W 17-18. 2-piece cast aluminum construction. Oil filter access for hassle free filter changes. Increased coolant flow at all RPM ranges. Patented Nautilus style impeller for hydrod...
Boyesen WPK-41M Hy-Flo Water Pump Cover and Impeller Kit - Magnesium
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Fits KTM 125 XC-W 17-18. 2-piece cast aluminum construction. Oil filter access for hassle free filter changes. Increased coolant flow at all RPM ranges. Patented Nautilus style impeller for hydrod...
Boyesen WPK-41M Hy-Flo Water Pump Cover and Impeller Kit - Magnesium
$200.30
$200.30
Fits KTM 125 XC-W 17-18. 2-piece cast aluminum construction. Oil filter access for hassle free filter changes. Increased coolant flow at all RPM ranges. Patented Nautilus style impeller for hydrod...
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