Proflow's LS1 Ultra Cool water pumps are the perfect choice when changing or rebuilding your street LS engine. They have a stamped steel impeller that provides optimum water flow over the stock housing while consuming less horsepower.

Note: Does not suit aftermarket timing covers.

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Proflow Water Pump, Mechanical, Replacement, For Holden Commodore LS1 VT-VZ Dome Pulley, With Thermostat, Black

Proflow Water Pump, Mechanical, Replacement, For Holden Commodore LS1 VT-VZ Dome Pulley, With Thermostat, Black

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