SBC Chevy Aluminum Short Water Pump

Each pump is manufactured from T6 aluminum and features an impeller with curved vanes for maximum flow, pressure and equal distribution to both sides of the block. It also features a unique seal assembly for leak proof operation.
Includes a heavy duty bearing and 3/4" shaft, but the fan pilot is 5/8". There is a  1/2" NPT hole on the passenger side (for heater hose) and on the top (for by-pass hose). Stamped steel rear plate. Weighs 6 lbs. This does not have a set screw retaining the fan hub. No mounting gaskets are included.

NOTE: This pump is designed for street use and is not to be run on a motor which exceeds 5,500 RPM.