Universal Performance Fuel Pressure Regulators & Components

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There are no vehicle specific performance fuel system parts available for your 1984 Mercury Marquis. Please view our selection of universal fit products below.
    • (0 reviews)
      # 748444142
      Adjustable Billet By-Pass Carbureted Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to sere you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
      Adjustable from 4-65 psi for precise fuel pressure adjustmentsConstructed of billet aluminum with a black anodized base and a clear anodized top for good looks
      $128.95
    • (0 reviews)
      # mpn4489464674
      Boost Compensating EFI Fuel Management Unit by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Adjustable from 20-75 psi + boost referenceSupplies increasing fuel ratios in respect to boost produced by turbos and superchargers
      $274.95
    • (0 reviews)
      # mpn620678536
      Boost Compensating Universal EFI Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      Black anodizedEasy installation
      $254.95
    • (0 reviews)
      # 505072270
      Carbureted Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $31.32 - $215.95
    • (0 reviews)
      # 748441587
      Die Cast EFI Fuel Pressure Regulator by Holley®. Holley does it again with their new die cast aluminum fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle.
      Die Cast aluminum construction3/8” NPT Inlet, Outlet, and Return ports
      $49.95 - $59.95
    • (0 reviews)
      # mpn358495176
      Dominator Billet Carbureted By-Pass Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
      Adjustable from 4.5-9 psi for precise fuel pressure adjustmentsConstructed of billet aluminum with a black anodized base and clear anodize top for good looks
      $168.95
    • (0 reviews)
      # mpn358495177
      Dominator Billet EFI By-Pass Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      Adjustable from 15-65 psi for precise fuel pressure adjustmentsConstructed of billet aluminum with a black anodized base and clear anodize top for good looks
      $168.95
    • (0 reviews)
      # mpn4489464740
      EFI Replacement Regulator Kit by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Kit for Filter Regulators 12-875 & 12-876Service Replacement Regulator for Sniper TBI EFI Systems (550-510/511/516)
      $18.49
    • (0 reviews)
      # 505072626
      HP Billet Carbureted Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $89.25 - $161.95
    • (0 reviews)
      # mpn358495175
      HP Billet EFI By-Pass Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Adjustable from 15-65 psi for precise fuel pressure adjustmentsConstructed of billet aluminum with a black anodized base and clear anodize top for good looks
      $161.95
    • (0 reviews)
      # 748441518
      VR Series Carbureted Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Individual adjustment settings, one for idle and wide open throttle.Fuel pressure adjustability at idle can help prevent flooding at low rpms
      $239.95 - $249.95
    • (0 reviews)
      # 505072891
      Adjustable Fuel Pressure Regulator by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $48.95 - $79.95
    • (0 reviews)
      # 505072945
      Carbureted Fuel Pressure Regulator by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      +1
      $97.95 - $162.95
    • (0 reviews)
      # 748441549
      EFI Fuel Pressure Regulator by Edelbrock®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $139.95 - $169.95
    • (0 reviews)
      # 505072803
      Fuel Pressure Regulator Kit by Edelbrock®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $154.95 - $160.95
    • (0 reviews)
      # 748444554
      Pro-Flo EFI Fuel Pressure Regulator by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $59.95 - $67.95
    • (0 reviews)
      # 748440697
      Rail Mounted Fuel Pressure Regulator by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $86.95 - $90.95
    • (0 reviews)
      # 1080239619
      Adjustable Fuel Pressure Regulator by AEM®. Increasing fuel flow to your engine means more than just installing bigger injectors. This adjustable fuel pressure regulator can provide enough fuel for an engine making 1000 horsepower!...
      Capable of supporting enough fuel flow for engines making up to 1000 horsepowerAdjustable from 20 psi to maximum fuel pump capacity
      $125.76 - $129.99
    • (0 reviews)
      # 1023300655
      HyperFuel™ Carbureted Fuel Pressure Regulator by FiTech®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
      High quality at an affordable priceExpertly made from premium materials
      $149.00
    • (0 reviews)
      # 1023276689
      HyperFuel™ EFI Fuel Pressure Regulator by FiTech®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $149.00
    • (0 reviews)
      # 1023319488
      HyperFuel™ Tight Fit Fuel Pressure Regulator by FiTech®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $39.00 - $99.00
    • (0 reviews)
      # 748444514
      2-Port X1 Series Regulator by Aeromotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $201.85
    • (0 reviews)
      # mpn358595153
      4-Port Carbureted Bypass Regulator by Aeromotive®. The A1000 Bypass Regulators were designed for use with our A1000 and Eliminator Fuel Pumps or similar style EFI pumps in a carbureted application. These regulators are perfect for...
      Base fuel pressure adjustable from 3-15 PSI(1) ORB-10 inlet port and (1) ORB-08 return port
      $204.94
    • (0 reviews)
      # mpn358595148
      4-Port Double-Adjustable Bypass Regulator by Aeromotive®. Revolutionary design provides two independent pressure adjustments; one adjustment for idle and one for wide open throttle. Engineered for use with variable volume pumps tied to...
      ORB-10 return portP/N 13209 provides (1) ORB-08 inlet and (3) ORB-08 outlet ports
      $255.41
    • (0 reviews)
      # 748443410
      A1000 Adjustable EFI Regulator by Aeromotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $203.91 - $210.30
    • (0 reviews)
      # mpn358595094
      A1000 Carbureted Bypass Regulator by Aeromotive®. The A1000 Bypass Regulator was designed for use with our A1000 Fuel Pump or similar style EFI pumps in a carbureted application. This regulator is perfect for naturally aspirated or...
      Base fuel pressure adjustable from 3-15 PSI(1) ORB-10 inlet port and (1) ORB-08 return port
      $188.81
    • (0 reviews)
      # 505072335
      A2000 Carburetor Bypass Regulator by Aeromotive®. Dynamic flow and rock steady pressure make this regulator perfect for naturally aspirated or carbureted blow-through applications. The A2000 Bypass Regulator provides unmatched boost...
      Adjustable from 2-20 PSIBypass design provides the ultimate, dynamic fuel delivery system. (Requires AN-10 return line)
      $199.71 - $207.00
    • (0 reviews)
      # mpn358595022
      A3000 Pressure Regulator by Aeromotive®. The new A3000 Fuel Pump is an upgrade and redesign to one of the winningest fuel pumps in drag racing, the popular A2000 Fuel Pump. The A3000 features the same basic design and function as its...
      15% more flow across the entire pressure range (vs. the A2000)Light weight (5.1 lbs)
      $148.29
    • (0 reviews)
      # 505072603
      A4 Carbureted Fuel Pressure Regulator by Aeromotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $265.41 - $325.58
    • (0 reviews)
      # mpn4489464735
      Belt Drive Pump EFI Regulator by Aeromotive®.
      Perfect for any mechanically driven EFI fuel pump developing over 200 GPH at EFI pressureBase pressure adjustable from 40-100 PSI
      $265.25
    • (0 reviews)
      # mpn358595156
      Bypass Regulator by Aeromotive®. A dual purpose, universal regulator for EFI or Carbureted and street or strip applications. Base pressure adjustable from 3 to 20 PSI with standard spring, (installed) or from 20 to 60 PSI with high...
      Capable of regulating any fuel pump between 100 and 250 GPHFuel pressure rises on a 1:1 ratio when referencing boost
      $156.98
    • (0 reviews)
      # 505072812
      Carbureted Adjustable Fuel Pressure Regulator by Aeromotive®. Aeromotive regulator kits provide you with everything needed to completely install these regulators on your muscle car, street rod or pro street vehicle. Comes complete with...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $106.06 - $264.68
    • (0 reviews)
      # 748441890
      Compact EFI Regulator by Aeromotive®.
      Adjustable from 30-70 PSIEquipped with removable AN-6 male fittings for inlet and outlet ports, eliminates the need to buy additional fittings and O-rings
      $229.00 - $244.19
    • (0 reviews)
      # mpn358595151
      Double Adjustable Regulator by Aeromotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $245.13
    • (0 reviews)
      # 517603709
      EFI Bypass Regulator by Aeromotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $141.07 - $205.97
    • (0 reviews)
      # mpn4476588572
      EFI to Carb Fuel Pressure Regulator by Aeromotive®. 3/8" NPT inlet and return, plus 2 outlet Ports. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Dual Stage pressure control with one regulatorControls pump/line pressure from 8-16 PSI
      $274.27
    • (0 reviews)
      # 505072746
      Extreme Flow EFI Fuel Pressure Regulator by Aeromotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $203.93 - $219.65
    • (0 reviews)
      # mpn358595081
      Injected Bypass Regulator by Aeromotive®. Performance EFI regulator designed for medium to high horsepower applications. This regulators features Aeromotive’s high-flow design, superb pressure control and legendary durability. On the...
      Base pressure adjustable from 40-75 PSI.Gasoline and alcohol compatible.
      $179.26
    • (0 reviews)
      # mpn358595152
      Modular Fuel Pressure Regulator by Aeromotive®. Aeromotive's new Stackable Carbureted Fuel Pressure Regulators (P/N 13217). Ideal for carbureted nitrous engines, these regulators allow you to “stack" them together to control multiple...
      Adjustable from 5-12 PSIORB-10 inlet and outlet flow-through ports (flange stackable)
      $179.21
    • (0 reviews)
      # mpn358595154
      Platinum Series A1000 Carbureted Bypass Regulator by Aeromotive®. The A1000 Bypass Regulator was designed for use with our A1000 Fuel Pump or similar style EFI pumps in a carbureted application. This regulator is perfect for naturally...
      Features a nickel finishBase fuel pressure adjustable from 3-15 PSI
      $219.36
    • (0 reviews)
      # mpn358595160
      Platinum Series Bypass Regulator by Aeromotive®. A dual purpose, universal regulator for EFI or Carbureted and street or strip applications. Base pressure adjustable from 3 to 20 PSI with standard spring, (installed) or from 20 to 60...
      Features a nickel finishCapable of regulating any fuel pump between 100 and 250 GPH
      $188.46
    • (0 reviews)
      # 505072752
      Platinum Series Carbureted Adjustable Regulator by Aeromotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $116.36 - $121.51
    • (0 reviews)
      # 748443734
      Platinum Series Injected Bypass Regulator by Aeromotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Features a nickel finishBase pressure adjustable from 40-75 PSI
      $216.27 - $222.47
    • (0 reviews)
      # mpn4489464669
      Pro-Series EFI Regulator by Aeromotive®.
      Adjustable base pressure from 30-60 PSIAuxiliary ports available for nitrous applications, pressure gauges and transducers
      $355.84
    • (0 reviews)
      # 505072256
      Pro-Stock Regulator by Aeromotive®. Track-tested by record setting, professional racers, the Aeromotive Pro Stock Regulators were designed to be used with the Aeromotive A2000 Fuel Pump (P/N 11202) in either single or dual carburetor...
      Adjustable from 4-8 PSIORB-12 inlet port. (Includes AN-12 to AN-10 male flare reducer fitting)
      $233.78 - $286.31
    • (0 reviews)
      # mpn358595329
      Vacuum Pump Regulator by Aeromotive®. Aeromotive's new Vacuum Pump Regulator allows you to control and adjust crankcase vacuum easily and effectively without the use of shims. Simply loosen the lock nut and turn to adjust. Designed to...
      Attaches directly to the Aeromotive Vacuum PumpEquipped with (2) ORB-12 Inlet and Outlet Ports
      $91.64
    • (0 reviews)
      # 748440464
      Adjustable Fuel Pressure Regulator by DeatschWerks®. Designed utilizing the latest technology, this product by DeatschWerks features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      100% Ethanol CompatibilityHighest Quality and Value
      $159.00
    • (0 reviews)
      # mpn359110008
      Fuel Pressure Regulator by Nitrous Express®. Billet dead head style fuel pressure regulator. Has 3/8 npt inlet and outlets. It has a 1/8 npt gauge port. This product is made of high-quality materials to serve you for years to come....
      High quality at an affordable priceExpertly made from premium materials
      $57.33
    • (0 reviews)
      # 748442676
      2-Port Adjustable Fuel Pressure Regulator by Blox Racing®. The BLOX Racing adjustable fuel pressure regulator (FPR) is an affordable and easy-to-install alternative to those complicated and expensive aftermarket units. This billet...
      High quality at an affordable priceExpertly made from premium materials
      +3
      $96.00
    • (0 reviews)
      # 748441268
      3-Port Adjustable Fuel Pressure Regulator by Blox Racing®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $96.00
    • (0 reviews)
      # 748442034
      Type-A Fuel Management Unit by Blox Racing®. The BLOX Racing FMU is designed for use on fuel injected, forced induction vehicles using the OEM electronic engine management system. As with any forced induction application, additional...
      High quality at an affordable priceExpertly made from premium materials
      +3
      $110.00
    • (0 reviews)
      # 505072906
      Powerflow™ Carbureted Pressure Regulator by Professional Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
      CNC Machined From Billet AluminumStainless Steel Mounting Brackets And Hardware
      +2
      $36.29 - $140.08
    • (0 reviews)
      # 748440795
      Powerflow™ Fuel Injection Fuel Pressure Regulator by Professional Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
      CNC Machined From Billet AluminumStainless Steel Mounting Brackets And Hardware
      $85.38 - $143.70
    • (0 reviews)
      # mpn4489464728
      2-Port Fuel Pressure Regulator by QFT®. Modernize your drag racing or hot rod car with ultra powerful and highly efficient Quick Fuel Technology fuel parts that will make you the titan of the road, whether on the street or the track....
      Designed to help you make the most out of your muscle carDistinctive style puts a custom finishing touch to your engine bay
      $133.95
    • (0 reviews)
      # mpn4489464732
      4-Port Fuel Pressure Regulator by QFT®. Modernize your drag racing or hot rod car with ultra powerful and highly efficient Quick Fuel Technology fuel parts that will make you the titan of the road, whether on the street or the track....
      Designed to help you make the most out of your muscle carDistinctive style puts a custom finishing touch to your engine bay
      $226.95
    • (0 reviews)
      # mpn4489464743
      4-Port Pressure Regulator by QFT®. Modernize your drag racing or hot rod car with ultra powerful and highly efficient Quick Fuel Technology fuel parts that will make you the titan of the road, whether on the street or the track. With...
      Designed to help you make the most out of your muscle carDistinctive style puts a custom finishing touch to your engine bay
      $131.95
    • (0 reviews)
      # 748442256
      Billet Bypass Regulator by QFT®. Modernize your drag racing or hot rod car with ultra powerful and highly efficient Quick Fuel Technology fuel parts that will make you the titan of the road, whether on the street or the track. With...
      Designed to help you make the most out of your muscle carDistinctive style puts a custom finishing touch to your engine bay
      $114.95 - $118.95
    • (0 reviews)
      # mpn4489464726
      Billet Pressure Regulator by QFT®. Modernize your drag racing or hot rod car with ultra powerful and highly efficient Quick Fuel Technology fuel parts that will make you the titan of the road, whether on the street or the track. With...
      Designed to operate within 4.5 - 9 PSI; Preset at 7 PSI.250" (1/4") restriction
      $90.65
    • (0 reviews)
      # 748443045
      Bypass Regulator by QFT®. Modernize your drag racing or hot rod car with ultra powerful and highly efficient Quick Fuel Technology fuel parts that will make you the titan of the road, whether on the street or the track. With these...
      Designed to help you make the most out of your muscle carDistinctive style puts a custom finishing touch to your engine bay
      $72.92 - $78.03
    • (0 reviews)
      # 748442572
      Low Pressure Regulator by QFT®. Modernize your drag racing or hot rod car with ultra powerful and highly efficient Quick Fuel Technology fuel parts that will make you the titan of the road, whether on the street or the track. With these...
      Designed to help you make the most out of your muscle carDistinctive style puts a custom finishing touch to your engine bay
      $28.27 - $29.88




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