Fuel Pressure Regulators

IAG's silicone liquid filled gauge is a simple way to monitor and dial in fuel pressure on an adjustable FPR like the Aeromotive A1000-6. The mechanical gauge is constructed of a stainless steel outer case and brass inner parts. Manufactured in the USA...

The IAG Performance Fuel Pressure Regulator (FPR) adapter is designed to allow the stock FPR to be remote mounted. This is common when performing upgrades such as larger injectors, fuel rails and fuel lines and is a standard feature when purchasing the...

This 90 degree 1/8" NPT male to 1/8" NPT female zinc plated steel fitting is commonly used to install a Fragola silicone liquid filled gauge onto an adjustable FPR like the Aeromotive A1000-6. *Use Loctite 545 Thread Sealant Part#54505 to seal the...

The IAG Performance Fuel Pressure Regulator (FPR) adapter is designed to allow the stock FPR to be remotely mounted. This is common when performing upgrades such as larger injectors, fuel rails and fuel lines and is a standard feature when purchasing the...

*Adapter does not include FPR as shown in pictures. This is for illustration purposes only.

IAG's straight adapter is designed to bolt on to the OEM fuel rail and has a -6 ORB outlet allowing you to connect an adjustable FPR. Fits the 2002-07 Subaru WRX and 2007 STI.Includes: IAG CNC Straight Aluminum Adapter Anodized Black. Viton O-Ring Seal...

IAG's 90 degree adapter is designed to bolt on to the OEM fuel rail and has a -6 ORB outlet allowing you to connect an adjustable FPR. Fits the 2002-07 Subaru WRX and 2007 STI.Includes: IAG CNC Straight Aluminum Adapter Anodized Black. Viton O-Ring Seal...

The IAG fuel pressure regulator bracket is designed to mount an Aeromotive FPR to the drivers side strut tower of a 2008-21 Subaru STI. The bracket includes (x2) M6 zinc coated hex head bolts for a simple installation. Includes: (x1) Stainless Steel FPR...

The IAG fuel pressure regulator bracket is designed to mount an Aeromotive FPR to the drivers side strut tower of a 2006-07 Subaru WRX, and 2006-07 STI. The bracket includes (x2) M6 16 zinc coated hex head bolts for a simple installation. Features: (x1)...

Fuelab 535 EFI Adjustable Mini FPR 25-90 PSI (2) -6AN In (1) -6AN Return (3) -6AN ORB w/Guage Kit

DescriptionThis kit is designed for use in the USDM 08-21 Subaru WRX STi (EJ257 only). It replaces the OEM fuel pressure regulator and damper assembly, shown below. The factory STi fuel line routing uses a quasi dead-end system that circulates fuel...

Universal CARB Adjustable Fuel Pressure Regulator, Blocking Style, 4-12 psi, (1) -8AN Inlet, (2) -8AN Outlets

Universal CARB Adjustable Fuel Pressure Regulator, 4-12 psi, (2) -6AN Inlets, (1) -6AN Return

Universal EFI Adjustable Fuel Pressure Regulator, 25-90 psi, (2) -6AN Inlets, (1) -6AN Return

Universal EFI Adjustable Mini Fuel Pressure Regulator, 25-90 psi, (2) -6AN Inlets, (1) -6AN Return

The COBB plug-and-play 2008-21 Subaru STI Fuel Pressure Regulator solves a common drivability stumble at 2800 rpm on modified STI's. COBB's STI FPR Kit includes a OEM Subaru Fuel pressure regulator, Dorman fuel fitting quick connects, fuel line and...

Universal CARB Adjustable Fuel Pressure Regulator, In-Line, Large Seat, 1-3 psi, (1) -6AN Inlet, (1) -6AN Return

Universal CARB Adjustable Fuel Pressure Regulator, 4-12 psi, (2) -6AN Inlets, (1) -6AN Return

Universal Ultralight CARB Adjustable Fuel Pressure Regulator, 10-25 psi, (2) -8AN Inlets, (1) -6AN Return.

Universal Ultralight CARB Adjustable Fuel Pressure Regulator, 1-3 psi, (2) -8AN Inlets, (1) -6AN Return.

Universal Ultralight EFI Adjustable Fuel Pressure Regulator, 25-90 psi, (2) -8AN Inlets, (1) -6AN Return.

Universal EFI Adjustable Fuel Pressure Regulator, 40-80 psi, (2) -10AN Inlets, (1) -10AN Return, MAX FLOW BYPASS

Description8AN Inlet / (2) -8AN Outlets/ Large Seat / 4-12 PSI Pressure RangeRegulator Features A true precision instrument to regulate fuel Advanced poppet design for smooth regulating capability Gasoline, diesel, methanol, and ethanol fuel...

DescriptionSingle -6AN Inlet / Single -6AN Return / Standard Seat / EFI (25-90 PSID)Regulator Features Weighs 50% less than our 515/525 Series Easy installation in limited space areas -6AN inlet and -6AN return port in-line Gasoline, diesel, methanol,...

DescriptionSingle -6AN Inlet / Single -6AN Return / Standard Seat / EFI (25-90 PSID)Regulator Features Weighs 50% less than our 515/525 Series Easy installation in limited space areas -6AN inlet and -6AN return port in-line Gasoline, diesel, methanol,...

Description6AN Inlets / Standard Seat / EFI (25-90 PSID)Regulator Features Weighs 50% less than our 515/525 Series Easy installation in limited space areas Two -6AN inlet ports and one -6AN return port Gasoline, diesel, methanol, and ethanol fuel...

Description6AN Inlets / Standard Seat / EFI (25-90 PSID)Regulator Features Weighs 50% less than our 515/525 Series Easy installation in limited space areas Two -6AN inlet ports and one -6AN return port Gasoline, diesel, methanol, and ethanol fuel...

Description6AN Inlets / Standard Seat / EFI (25-90 PSID)Regulator FeaturesWeighs 50% less than our 515/525 SeriesEasy installation in limited space areasTwo -6AN inlet ports and one -6AN return portGasoline, diesel, methanol, and ethanol fuel...

Description6AN Inlets / Standard Seat / EFI (25-90 PSID)Regulator Features Weighs 50% less than our 515/525 Series Easy installation in limited space areas Two -6AN inlet ports and one -6AN return port Gasoline, diesel, methanol, and ethanol fuel...

Description6AN Inlets / Standard Seat / EFI (25-90 PSID)Regulator Features Weighs 50% less than our 515/525 Series Easy installation in limited space areas Two -6AN inlet ports and one -6AN return port Gasoline, diesel, methanol, and ethanol fuel...