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The Peterson Fluid Systems R4 five-stage oil pump is a lightweight, race-capable pump that uses twisted lobe rotors to produce reliable pressure and strong scavenge vacuum while minimizing mass. Its shallow fittings and modular layout suit tight installations and high-demand use. This left-side, rear-drive drag configuration offers standard pressure with high-volume scavenge, a 5/8" drive shaft, and rear-drive provision that accepts accessory mounting with appropriate adapters.
Peterson Fluid Systems R4 5-Stage Oil Pump - Left Side Mount - Rear Drive Drag
