Moroso 22412 Moroso T3 Series Alston Single Stage External Oil Pump - Tri-Lobe - Rev. Rotation - 1.200 PressureMoroso 22412 Moroso T3 Series Alston Single Stage External Oil Pump Tri Lobe Rev. Rotation 1. 200 Pressure External Oil Pump, Single Stage, Reverse Rotation, V Band Mounting Clamp To Mount External Oil Pump To Alston Front Drives, 1. 500 Pressure Section. This is a made to order part, please contact our Tech Department at (203 458 0546) for assistance. External Oil Pumps, Single Stage Updated 1. 500" Pressure Section for use with V Band Mount