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