Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Peterson R4 five-stage oil pump offers increased scavenge capacity in a left-side mount, rear‑drive configuration for demanding engine applications. Peterson’s twisted‑lobe rotor design supports strong pressure delivery while enabling a lighter rotor construction. The five‑stage layout provides additional scavenge capability, and the pump’s compact fittings and modular design make it adaptable to endurance and high‑performance motorsport setups.
Peterson Fluid Systems R4 5-Stage Oil Pump - Left Side Mount - Rear Drive
