Water Pump, Aluminum, SB Chevrolet Short, High RPM, 3/4" Shaft w/HD Bearing

Lightweight and extra cooling

These premium cast aluminum water pumps feature all new internals with included gaskets. The stamped steel impeller is designed to offer greater flow and pressure than factory equipment to keep your engine cool under the harshest conditions. Features an oversized shaft diameter of 0.75" and heavy duty bearing allowing this pump to be run on high RPM race engines. Mounting holes are oversized and feature washer recesses and set screws to allow for indexing the water pump on your engine block for belt tension. Does not feature a bypass hole for use with thermostats.