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The Peterson R4 single-stage oil pump uses a twisted-lobe rotor design and lightweight aluminum rotors to deliver consistent oil pressure and strong scavenge vacuum in motorsports applications. This left-side mount unit includes a vacuum pump, a 5/8" drive shaft with 3/16" keyway and a rear-drive provision for accessories. Modular fittings and adjustable relief support custom configurations; made in the USA.
Peterson Fluid Systems R4 1-Stage Oil Pump - Left Side Mount - Rear Drive w/ Vac
