The Peterson R4 five-stage oil pump in right-side mount configuration provides 1.2" pressure and 1.4" scavenge capacity with a rear drive. Its twisted-lobe rotor design and lightweight aluminum rotors deliver steady oil pressure and effective scavenge performance. The compact fittings and modular body make it suitable for racing engines that need a high-volume, low-profile pump.
Peterson Fluid Systems R4 5-Stage Oil Pump - Right Side Mount - Rear Drive Drag