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The Peterson R4 6-stage oil pump is a right-side mount, rear-drive unit built for high-demand racing and drag applications. Its twisted lobe rotor design allows the use of all-aluminum rotors for significant weight savings while raising output. A low-profile modular layout includes an internal scavenge manifold and shallow screw-in fittings, and the pump supports front or rear drive mounting for flexible installation.
Peterson Fluid Systems R4 6-Stage Oil Pump - Right Side Mount - Rear Drive Drag - Front Pressure
