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The Peterson R4 five-stage oil pump in left-side mount with rear drive and reserve rotation option uses twisted-lobe rotors and aluminum components for a lightweight, high-output solution. Its internal scavenge manifold and shallow fittings create a compact, modular assembly that can be configured for drag or road race duty while offering strong scavenge vacuum and stable pressure.
Peterson Fluid Systems R4 5-Stage Oil Pump - Left Side Mount - Rear Drive Drag - Reserve Rotation
