The Peterson Fluid Systems R4 6-stage oil pump features a twisted-lobe rotor design that enables the use of lightweight aluminum rotors for improved pressure delivery. An internal scavenge manifold and shallow screw-in fittings produce a compact, low-profile modular pump. This bell-housing mount, rear-drive model specifies 1.2" pressure and 1.2" scavenge ports and supports a range of racing applications.
Peterson Fluid Systems R4 6-Stage Oil Pump - BH - Rear Drive