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The Peterson R4 7-stage oil pump is a left-side mount, rear-drive unit offering 1.2" pressure and 1.4" scavenge capacity. It employs Petersons twisted lobe rotor geometry to enable all-aluminum rotors that reduce weight without sacrificing output. The design includes an internal scavenge manifold and shallow screw-in fittings for a low-profile, modular package suitable for racing engine mounting configurations.
Peterson Fluid Systems R4 7-Stage Oil Pump - Left Side Mount - Rear Drive Drag
