Moroso’s External, Single Stage, Oil Pump/Vacuum Pump Kit with a Driver’s/Left Bracket for SBC engines includes a Moroso Tri-lobe Single Stage Oil Pump with a Moroso Enhanced Design 4-Vane Vacuum Pump driven off the back.

By driving the V-band clamp attached vacuum pump off the back of the oil pump this creates a compact weight saving design with one belt only being utilized. Single stage external Tri-lobe oil pump is included that has a spur gear 1.200 pressure section, eliminates the camshaft loads that occur with an internal pump.
Has replaceable fittings, -16AN inlet, -12AN outlet. Enhanced Design 4-Vane Vacuum Pump is included that pulls more vacuum and is designed with maintenance-free precision sealed roller bearings. Has replaceable -12AN Inlet and Outlet fittings. A V-band mounting clamp is included to mate the two together.