315 Series Pump Left Ccw Rotation Tandem Unit 2 Stages Sae 2 Bolt B Sec 7/8-13 Spline Short Shaft Without OB Bearing First Stage 1-3/4 Gear Width Bearing Carrier Common Inlet Outlets Front And Rear Section Orb #20 Inlet Port Orb #16 Outlet Port Orb #16 Outlet Port Second Stage 1-3/4 Gear Width Unported Port End Cover Extended Studs Top