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The Peterson R4 two-stage oil pump is built around the twisted-lobe rotor concept to produce maximum pressure and effective scavenging while remaining lightweight. This right-side mount high-volume unit provides 1.4" pressure with 1.2" scavenge, includes a rear-drive provision for accessories, and uses a low-profile design with shallow fittings so it can be configured for a range of racing engine layouts.
Peterson Fluid Systems R4 2-Stage Oil Pump - Right Side Mount - HV - Rear Drive
