What kind of oil is recommended for use with this pump?

Peterson pioneered the twisted lobe rotor design to deliver solid oil pressure, even in high temperature low viscosity oil setups. Refer to your engine builder's recommendations for the correct oil viscosity and type.

What accessories can be mounted to the rear drive?

The R4 pump has a rear drive provision which allows for the direct mounting of many popular drive accessories like fuel pumps, vacuum pumps, or power steering pumps. An appropriate adapter is required for mounting.

Where are Peterson Fluid Systems oil pumps made?

All Peterson Fluid Systems pumps are machined, assembled, and tested in house, in Longmont, Colorado. They are proudly made in the USA.

Peterson Fluid Systems R4 1-Stage Oil Pump - Right Side Mount - HV - Rear Drive

1 / 3

Peterson Fluid Systems

Peterson Fluid Systems R4 1-Stage Oil Pump - Right Side Mount - HV - Rear Drive

Name: Peterson Fluid Systems R4 1-Stage Oil Pump - Right Side Mount - HV - Rear Drive
Brand: Peterson Fluid Systems
Price: 961.18 USD
Availability: InStock

$961.18

Consistent oil pressure and crankcase vacuum in a lightweight package. Peterson R4 oil pumps are a solid choice for race engines.

Key Features

Twisted lobe rotor design — maintains consistent oil pressure
Scavenge sections — create crankcase vacuum and reduce windage
5/8 inch diameter steel drive shafts — strong and durable
Rear drive provision — allows direct mounting of accessories
Aluminum rotors — reduces weight
Made in the USA — well-made and reliable

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more