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The Peterson R4 three-stage oil pump uses twisted-lobe rotors and an aluminum-rotor, low-profile housing to provide combined pressure and multi-stage scavenge capacity for demanding race environments. This left-side mount three-stage unit delivers 1.2" pressure with 1.2" scavenge per stage configuration, includes rear-drive mounting options, and offers a modular interior to suit varied engine layouts and accessory requirements.
Peterson Fluid Systems R4 3-Stage Oil Pump - Left Side Mount - Rear Drive
