365 Pump Three Stage Unit - Extended Studs On Top With OB Bearing Sae 4 Bolt C Cw Rotation 125 -14 Spline Shaft First Stage 2-1/2 Gear Blank By Blank Housing Second Stage Bc #24Orb Inlet Thru Hole #24 Orb Outlet For First Stage #20 Outlet For Second Stage 1-3/4 Gear Blank By Blank Housing Third Stage Bc #20 Orb Inlet Thru Hole #16 Orb Outlet For Third Stage 3/4 Gear Blank By Blank Housing Port End Cover Blank By Blank