Universal Fit, 4.5-9 Fuel Pressure Rating (psi), Steel
Fuel Pressure Rating (psi): 4.5-9
Material Type: Steel
Finish: Chrome
Universal Fit, 4.5-9 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 4.5-9
Universal Fit, 5-12 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 5-12
Inlet Fitting: 3/8" NPT Female
Outlet Fitting: 3/8" NPT Female
Gauge Port: Yes
Universal Fit, Gasoline Fuel Type
Fuel Type: Gasoline
Fuel Pressure Rating (psi): 1-4
Universal Fit, 3/8" Hose Barb Inlet Fitting
Inlet Fitting: 3/8" Hose Barb
Outlet Fitting: Quick-Connect
Overall Length: 6.00"
Overall Height: 5.75"
Universal Fit, 1-6 Fuel Pressure Rating (psi), Steel
Fuel Pressure Rating (psi): 1-6
Material Type: Steel
Finish: Chrome
Overall Height: 1.50"
Universal Fit, 1-4 Fuel Pressure Rating (psi), Aluminum
Fuel Pressure Rating (psi): 1-4
Material Type: Aluminum
Finish: Chrome
Overall Height: 1.91"
Universal Fit, 4.5-9 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 4.5-9
Universal Fit, -6 AN Male Inlet Fitting
Inlet Fitting: -6 AN Male
Outlet Fitting: -6 AN Male
Overall Length: 5.75"
LS1
Overall Length: 6.00"
Overall Height: 5.75"
Outside Diameter: 2.23"
Universal Fit, 4.5-9 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 4.5-9
Regulator Style: Return
Boost/Vacuum Reference Port: No
Gauge Port: No
LS1, Gasoline Fuel Type, 3/8" Hose Barb Inlet Fitting
Fuel Type: Gasoline
Inlet Fitting: 3/8" Hose Barb
Outlet Fitting: 5/16" hose barb
Overall Length: 5.73"
Universal Fit, 7-14 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 7-14
Aluminum, Anodized
Material Type: Aluminum
Finish: Anodized
Overall Length: 3.88"
Overall Width: 1.88"
Universal Fit, Gasoline Fuel Type
Fuel Type: Gasoline
Fuel Pressure Rating (psi): 1-6
Universal Fit, Gasoline Fuel Type, Aluminum
Fuel Type: Gasoline
Fuel Pressure Rating (psi): 4-65
Material Type: Aluminum
Universal Fit, Gasoline Fuel Type
Fuel Type: Gasoline
Fuel Pressure Rating (psi): 4.5-9
Universal Fit, Gasoline Fuel Type
Fuel Type: Gasoline
Fuel Pressure Rating (psi): 4.5-9
Regulator Style: Adjustable
Fittings Included: Yes
Universal Fit, Gasoline | Alcohol Fuel Type, Aluminum
Fuel Type: Gasoline | Alcohol
Fuel Pressure Rating (psi): 2-10
Material Type: Aluminum
Inlet Fitting: -8 AN
Universal Fit, Gasoline Fuel Type, Aluminum, Anodized
Fuel Type: Gasoline
Fuel Pressure Rating (psi): 4.5-9
Regulator Style: Bypass
Material Type: Aluminum
Universal Fit, Gasoline Fuel Type
Fuel Type: Gasoline
Fuel Pressure Rating (psi): 3-60
Overall Height: 3.88"
Thread Pitch: 3/8" NPT
Universal Fit, 1-4 Fuel Pressure Rating (psi), Chrome
Fuel Pressure Rating (psi): 1-4
Finish: Chrome
Thread Pitch: 3/8" NPT
Pressure Regulator Style: Non-return
Universal Fit, 30-70 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 30-70
Universal Fit, 4.5-9 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 4.5-9
Regulator Style: Non-return
Boost/Vacuum Reference Port: No
Gauge Port: No
Universal Fit, 1-6 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 1-6
Regulator Style: Non-return
Boost/Vacuum Reference Port: No
Gauge Port: No
Universal Fit, 4.5-9 Fuel Pressure Rating (psi)
Fuel Pressure Rating (psi): 4.5-9
Inlet Fitting: 1/2" NPT Male to -8 AN Male
Outlet Fitting: 1/2" NPT Male to -6 AN Male
Fittings Included: Yes
Universal Fit, Gasoline Fuel Type, Aluminum, Anodized
Fuel Type: Gasoline
Fuel Pressure Rating (psi): 4.5-9
Material Type: Aluminum
Finish: Anodized
The fuel pressure regulator is located on the supply side of the fuel system, immediately upstream of the carburetor or downstream of the fuel injectors. Stock/OEM regulators often have a fixed pressure setting, while most aftermarket regulators are adjustable by design. Adjustable regulators allow the user to set the fuel pressure based on their unique combination of components and application.
Pressure regulators also provide the benefit of consistent fuel pressure under severe load and/or RPM. Under wide-open-throttle situations, the engine requires more fuel than it does at idle. Some regulators use a vacuum signal to "see" this additional load and provide the proper ratio needed for the conditions. This is even more important on boosted or nitrous engines that need additional fuel volume to minimize the chance of detonation. No matter which fuel pump you choose, know that all electric fuel pumps will require a regulator, while most mechanical fuel pumps won’t require a regulator.