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  • Edelbrock
  • Holley EFI
  • Holley Performance

Carburetor Fuel Pressure Regulator

Holley Performance 

Carbureted By-Pass Regulator

2 Parts

Carbureted By-Pass Regulator
  • Die Cast Aluminum Construction
  • 3/8 NPT Inlet/Outlet/Return Ports
  • 1/8 in. NPT Gauge Port
  • Boost Reference 1:1

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  • Includes Fittings
  • Includes Mounting Plate
  • Includes Fuel Line
  • Adjustable Fuel Pressure
  • Use w/Holley Standard-Flange Duel-Feed

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  • Mounting Plate Only
  • Use w/Holley Standard-Flange Duel-Feed

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Holley EFI 

Carburetor Regulator

3 Parts

Carburetor Regulator
  • Individual Adjustment Settings For Idle And Wide Open Throttle
  • Fuel Pressure Adjustability At Idle Prevents Flooding At Low Rpms
  • Wide Open Settings Prevent Fuel Starvation At Top Of RPM Range
  • Alcohol And E85 Compatible

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Holley Performance 

Dominator Billet Fuel Pressure Regulator

1 Parts

Dominator Billet Fuel Pressure Regulator
  • Adjustable From 4.5-9 PSI For Precise Fuel Pressure Adjustment
  • Constructed Of Billet Aluminum For Good Looks
  • Used In Systems With A Return Line Back To Tank
  • Use With Electric Pumps Only
  • 1/8in. Npt Gauge Port
  • Mounting Bracket Included

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Edelbrock 

Fuel Pressure Regulator

12 Parts

Fuel Pressure Regulator
  • Adjustable Fuel Pressure
  • Use w/Holley Standard-Flange Duel-Feed
  • Use With 4500-Series Carbs

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Holley Performance 

Fuel Pressure Regulator

13 Parts

Fuel Pressure Regulator
  • Adjustable Fuel Regulation From 4-1/2 To 9 PSI
  • One 1/2in. Npt Inlet and Two 1/2in. Npt Outlet Ports
  • .437 in. 7/16 in. Restriction
  • Includes Mounting Hardware and an Style Fittings
  • Alcohol Compatible

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Holley EFI 

Fuel Pressure Regulator Diaphragm

1 Parts

Fuel Pressure Regulator Diaphragm
  • Replacement Fuel Pressure Regulator Diaphragm
  • Fits 1BBL 2BBL and 4BBL Pro-Jection Throttle Bodies

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Holley Performance 

Fuel Pressure Regulator Diaphragm

1 Parts

Fuel Pressure Regulator Diaphragm
  • Includes Diaphragm Only

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Holley Performance 

HP Billet Fuel Pressure Regulator

5 Parts

HP Billet Fuel Pressure Regulator
  • Adjustable From 4.5-9 PSI For Precise Fuel Pressure Adjustment
  • Constructed Of Billet Aluminum For Good Looks
  • Used In Systems Where A Return Line Is Not Needed
  • Use With Electric Or Mechanical Pumps
  • One 3/8 in. Npt Inlet and Two 3/8 in. Npt Outlets
  • 1/8 in. NPT Gauge Port
  • Mounting Bracket Included

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  • EFI Regulators Are Adjustable From 40-100 PSI Base Pressure
  • Carbureted Regulators Are Adjust From 4-9 PSI Base Pressure
  • Compatible With Gasoline Methanol and E85
  • 1/8 in. NPT Gauge Port
  • 2 Port Regulators Feature A 10AN O-Ring Inlet/Outlet/Return

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