The ATP B3ZQ-S Clockwise, Mechanical Seal style pump is the Standard 4” x 3” Centrifugal Water Pump used for mounting to an independent SAE 5 engine in place of a transmission. This pump is GROOVED on both the suction and discharge side for easy removal and repair, and at 2500 RPM performs at a rate up to 750 GPM at 65 PSI.
Check out our Water Pump Guide for more information on pump rotation, connections and seal type.