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The Peterson R4 four-stage oil pump in right-side mount configuration provides a high-pressure, high‑scavenge solution with rear drive and reverse rotation capability. The pump’s twisted‑lobe design yields strong oil pressure and effective vacuum scavenging while allowing lightweight rotor construction. Shallow screw‑in fittings and a compact profile keep overall depth low, and the rear drive lets you attach accessories when used with the correct adapter.
Peterson Fluid Systems R4 4-Stage Oil Pump - Right Side Mount - Rear Drive Drag - Reserve Rotation
