Standard 2 port pump, 2 Bolt SAE mount, 1 5/16" Straight Thread Inlet Port, 1 5/16" - 12 SAE O Ring Outlet port, 3/4" keyed shaft, 11 gpm flow at 1200 RPM, Clockwise rotation. Pump Frame size: Standard 2 Port Mounting: Standard 2 Bolt SAE "A" Inlet Porting: 1 5/16" Straight Thread Flow: 11 gpm at 1200 RPM Outlet Port: 1 5/16" - 12 SAE O Ring Shaft diameter: 3/4" keyed shaft Max PSI: 2500 Max RPM: 2500 Port Orientation: 90° CW from inlet facing the port cover end