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The Peterson R4 four-stage oil pump is presented as a modular, low‑profile pump suitable for pavement racing and rear drive applications. Its twisted‑lobe rotor design enables lightweight rotor construction while maintaining strong oil pressure and effective scavenge. Shallow screw‑in fittings and an internal scavenge manifold reduce installation depth, letting builders adapt the pump to tight engine bays and varied motorsports configurations.
Peterson Fluid Systems R4 4-Stage Oil Pump - B/H QM Pavement - Rear Drive
