Peterson Fluid Systems R4 oil pumps are engineered for professional wet and dry sump oiling systems, using twisted-lobe rotors, billet housings, and modular stage configurations to deliver consistent oil pressure, strong scavenge vacuum, and low weight for demanding racing applications.

Peterson Fluid Systems 04-5096 Features:

• Twisted-lobe rotor design for stable oil pressure and smooth flow at high RPM.
• 6061-T6 billet aluminum housings and rotors to reduce weight while maintaining strength.
• Internal scavenge manifold with shallow-depth screw-in fittings for a compact profile.
• Five-stage dry sump layout with four scavenge sections and 1.4 in. pressure section to support high-volume, high-pressure oil delivery in racing engines.
• Rear drive provision for accessories such as fuel, vacuum, or power steering pumps with the proper adapter (sold separately).
• V-band ready housing is designed to work with Peterson Fluid Systems 14-2202 (sold separately) for ProCharger CrankDrive accessory mounting.