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Marine Fuel Pressure Regulators:

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Hardin Marine
Billet Carbureted Fuel Pressure Regulator
  Hardin Marine billet carbureted fuel pressure regulators are true billet regulators.  A convoluted diaphragm maximizes piston stroke and increases flow - without stressing the diaphragm.  Every carbureted regulator incorporates a poppet design unique to that regulator, and they fabricate the diaphragms from a proprietary elastomer material.  Precision engineering and manufacturing translate into tight fuel pressure control.
Part No. Description
555-13205 Adjustable Carbureted Regulator From 5-12 lbs.
Hardin Marine
Flow Command Regulator

ADJUSTABLE EFI/MPI REGULATOR FOR LATE MODEL MERCRUISER

Hardin Marine just introduced the MerCruiser 454/502 EFI Systems application to its line of high performance Flow Command adjustable fuel flow modifiers. The billet aluminum Flow Command is designed specifically for stock or modified 454/502 EFI systems. The Flow Command allows modification of the fuel flow rate to properly tune the air flow ratio. Ideal for use with high flow exhausts and intakes, the Flow Command incorporates these exclusive feature:

  • Bolt-on adjustable modifier for stock fuel regulators
  • 6061-T billet aluminum case, CNC machined
  • Allows pressure adjustments from 25 to 65 PSI
  • Machined to exacting tolerances
Part No. Description
620-1529 1993-98 MerCruiser 454/502 EFI Systems
Aeromotive Billet Carbureted Fuel Press Regulator
 
Aeromotive carbureted fuel pressure regulators are true billet regulators. A convoluted diaphragm maximizes piston stroke and increases flow - without stressing the diaphragm. Every Aeromotive carbureted regulator incorporates a poppet design unique to that regulator, and we fabricate the diaphragms from our proprietary elastomer material. Precision engineering and manufacturing translate into tight fuel pressure control.
Part No. Description
715-13201 Adjustable Carbureted Regulator from 5-12 lbs.
Aeromotive Bypass Boost Reference Regulator For Carbureted Engines
 
For those of you unfamiliar with boost referencing of a fuel system, well it's the ultimate way to meet fuel supply demands on a supercharged engine. By connecting a hose from your intake manifold to the top fitting of this regulator you can control fuel pressure on demand. You see for every pound of boost your engine generates it will allow the regulator to increase fuel pressure by the pound. These features have been used by professional race teams for years.
Part No. Description
715-13204 Carburetor Equipped Boost Reference Fuel Regulator
EFI Boost Reference Fuel Regulator
The new A1000 Bypass Regulator was designed specifically for high horsepower EFI engines. The all billet construction and boost reference capabilities matched with the 1000 Superpump make for the most powerful fuel supply system you can buy.
Part No. Description
715-13101 EFI Boost Reference Fuel Regulator
Carburetor Fuel Pressure Regulator
 
This is Holley's most famous carbureted style fuel pressure regulator. The regulator features 3/8" NPT ports and includes a mounting bracket for attachment. This regulator allows you to adjust from 4-1/4 to 9 PSI.
Part No. Description

710-12-801

 Standard 4-1/2 to 9 PSI Regulator
710-12-501 Chrome 4-1/2 to 9 PSI Regulator