The Peterson Fluid Systems R4 five-stage oil pump is a purpose-built racing pump that combines twisted lobe rotors with lightweight construction to maintain pressure under demanding conditions while pulling strong scavenge vacuum. Its shallow fittings and compact profile make it adaptable to many motorsport installations. This left-side, high-volume model features rear drive provision to attach common accessories via adapter, adjustable oil pressure, and customization options for drag, endurance, or off-road race use.
Peterson Fluid Systems R4 5-Stage Oil Pump - Left Side Mount - HV - Rear Drive Drag