Peterson Fluid Systems R4 Series 5 Stage High Pressure Dry Sump Oil Pump - Rear Drive - Bert/Brinn Bellhousing Mount Engine Block 950" Outside Diameter of Weld

950" Outside Diameter of Weld Bung

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Peterson Fluid Systems R4 Series 5 Stage High Pressure Dry Sump Oil Pump - Rear Drive - Bert/Brinn Bellhousing Mount Engine Block 950" Outside Diameter of WeldThis is the base pump in the R4 line but that doesn't mean it doesn't perform amazingly. It fits most applications with it's 1. 2" wide scavenge and pressure rotor. A 1. 4" thick pressure rotor is available for engines that require higher oil flow such as aluminum blocks that are also running aluminum rods or iron block motors that are running mulitple oiling accessories such as valve train sprayers and wrist pin oilers. Comes with an integrated mount