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The Peterson R4 five-stage oil pump is a left-side mount, high-volume pressure and scavenge unit featuring a 3/8" male hex drive shaft and rear drive provision. Its twisted-lobe rotors and aluminum components deliver solid oil pressure, strong scavenge vacuum and reduced weight. Shallow fittings, profile machining, rear-drive accessory capability and USA assembly make it a race-ready pump.
Peterson Fluid Systems R4 5-Stage Oil Pump - Left Side Mount - HV - Dr Rear Drive w/ Hex
